Home / 1,107,058.36-1,660,589.10-308,342.20

Finding the Fourth Proportional to 1,107,058.36, 1,660,589.10 and 308,342.20

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Solution

The fourth proportional to 1,107,058.36, 1,660,589.10 and 308,342.20 is: 462,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,058.36 : 1,660,589.10 = 308,342.20 : x
  2. Step 2: Convert to fraction form
    1,107,058.36/1,660,589.10 = 308,342.20/x
  3. Step 3: Cross multiply
    1,107,058.36x = 1,660,589.10 × 308,342.20
  4. Step 4: Simplify right side
    1,107,058.36x = 512,029,696,390.02
  5. Step 5: Solve for x
    x = 512,029,696,390.02/1,107,058.36
  6. Step 6: Final answer
    x = 462,513.73

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.