Home / 465,836.27-642,877.16-284,518.85

Finding the Fourth Proportional to 465,836.27, 642,877.16 and 284,518.85

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Solution

The fourth proportional to 465,836.27, 642,877.16 and 284,518.85 is: 392,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,836.27 : 642,877.16 = 284,518.85 : x
  2. Step 2: Convert to fraction form
    465,836.27/642,877.16 = 284,518.85/x
  3. Step 3: Cross multiply
    465,836.27x = 642,877.16 × 284,518.85
  4. Step 4: Simplify right side
    465,836.27x = 182,910,665,617.49
  5. Step 5: Solve for x
    x = 182,910,665,617.49/465,836.27
  6. Step 6: Final answer
    x = 392,650.12

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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.