Home / 747,429.70-1,031,452.68-407,897.95

Finding the Fourth Proportional to 747,429.70, 1,031,452.68 and 407,897.95

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Solution

The fourth proportional to 747,429.70, 1,031,452.68 and 407,897.95 is: 562,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,429.70 : 1,031,452.68 = 407,897.95 : x
  2. Step 2: Convert to fraction form
    747,429.70/1,031,452.68 = 407,897.95/x
  3. Step 3: Cross multiply
    747,429.70x = 1,031,452.68 × 407,897.95
  4. Step 4: Simplify right side
    747,429.70x = 420,727,433,694.01
  5. Step 5: Solve for x
    x = 420,727,433,694.01/747,429.70
  6. Step 6: Final answer
    x = 562,899.00

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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.