Home / 908,000.70-1,252,931.24-520,796.15

Finding the Fourth Proportional to 908,000.70, 1,252,931.24 and 520,796.15

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Solution

The fourth proportional to 908,000.70, 1,252,931.24 and 520,796.15 is: 718,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,000.70 : 1,252,931.24 = 520,796.15 : x
  2. Step 2: Convert to fraction form
    908,000.70/1,252,931.24 = 520,796.15/x
  3. Step 3: Cross multiply
    908,000.70x = 1,252,931.24 × 520,796.15
  4. Step 4: Simplify right side
    908,000.70x = 652,521,766,006.73
  5. Step 5: Solve for x
    x = 652,521,766,006.73/908,000.70
  6. Step 6: Final answer
    x = 718,635.75

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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.