Home / 712,691.82-1,069,389.02-333,638.24

Finding the Fourth Proportional to 712,691.82, 1,069,389.02 and 333,638.24

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Solution

The fourth proportional to 712,691.82, 1,069,389.02 and 333,638.24 is: 500,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,691.82 : 1,069,389.02 = 333,638.24 : x
  2. Step 2: Convert to fraction form
    712,691.82/1,069,389.02 = 333,638.24/x
  3. Step 3: Cross multiply
    712,691.82x = 1,069,389.02 × 333,638.24
  4. Step 4: Simplify right side
    712,691.82x = 356,789,070,508.13
  5. Step 5: Solve for x
    x = 356,789,070,508.13/712,691.82
  6. Step 6: Final answer
    x = 500,621.81

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Double scale
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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.