Home / 475,032.30-655,549.20-284,045.70

Finding the Fourth Proportional to 475,032.30, 655,549.20 and 284,045.70

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Solution

The fourth proportional to 475,032.30, 655,549.20 and 284,045.70 is: 391,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,032.30 : 655,549.20 = 284,045.70 : x
  2. Step 2: Convert to fraction form
    475,032.30/655,549.20 = 284,045.70/x
  3. Step 3: Cross multiply
    475,032.30x = 655,549.20 × 284,045.70
  4. Step 4: Simplify right side
    475,032.30x = 186,205,928,325.55
  5. Step 5: Solve for x
    x = 186,205,928,325.55/475,032.30
  6. Step 6: Final answer
    x = 391,985.82

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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.