Home / 739,706.72-1,020,541.68-417,377.12

Finding the Fourth Proportional to 739,706.72, 1,020,541.68 and 417,377.12

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Solution

The fourth proportional to 739,706.72, 1,020,541.68 and 417,377.12 is: 575,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,706.72 : 1,020,541.68 = 417,377.12 : x
  2. Step 2: Convert to fraction form
    739,706.72/1,020,541.68 = 417,377.12/x
  3. Step 3: Cross multiply
    739,706.72x = 1,020,541.68 × 417,377.12
  4. Step 4: Simplify right side
    739,706.72x = 425,950,747,238.36
  5. Step 5: Solve for x
    x = 425,950,747,238.36/739,706.72
  6. Step 6: Final answer
    x = 575,837.34

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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.