Home / 908,875.20-1,363,312.80-656,932.80

Finding the Fourth Proportional to 908,875.20, 1,363,312.80 and 656,932.80

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Solution

The fourth proportional to 908,875.20, 1,363,312.80 and 656,932.80 is: 985,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,875.20 : 1,363,312.80 = 656,932.80 : x
  2. Step 2: Convert to fraction form
    908,875.20/1,363,312.80 = 656,932.80/x
  3. Step 3: Cross multiply
    908,875.20x = 1,363,312.80 × 656,932.80
  4. Step 4: Simplify right side
    908,875.20x = 895,604,894,979.84
  5. Step 5: Solve for x
    x = 895,604,894,979.84/908,875.20
  6. Step 6: Final answer
    x = 985,399.20

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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.