Home / 747,599.10-1,031,650.47-408,047.10

Finding the Fourth Proportional to 747,599.10, 1,031,650.47 and 408,047.10

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Solution

The fourth proportional to 747,599.10, 1,031,650.47 and 408,047.10 is: 563,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,599.10 : 1,031,650.47 = 408,047.10 : x
  2. Step 2: Convert to fraction form
    747,599.10/1,031,650.47 = 408,047.10/x
  3. Step 3: Cross multiply
    747,599.10x = 1,031,650.47 × 408,047.10
  4. Step 4: Simplify right side
    747,599.10x = 420,961,982,497.14
  5. Step 5: Solve for x
    x = 420,961,982,497.14/747,599.10
  6. Step 6: Final answer
    x = 563,085.19

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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.