Home / 766,854.12-1,058,134.21-444,501.24

Finding the Fourth Proportional to 766,854.12, 1,058,134.21 and 444,501.24

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Solution

The fourth proportional to 766,854.12, 1,058,134.21 and 444,501.24 is: 613,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,854.12 : 1,058,134.21 = 444,501.24 : x
  2. Step 2: Convert to fraction form
    766,854.12/1,058,134.21 = 444,501.24/x
  3. Step 3: Cross multiply
    766,854.12x = 1,058,134.21 × 444,501.24
  4. Step 4: Simplify right side
    766,854.12x = 470,341,968,431.42
  5. Step 5: Solve for x
    x = 470,341,968,431.42/766,854.12
  6. Step 6: Final answer
    x = 613,339.56

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.