Home / 710,437.38-1,064,737.50-531,540.78

Finding the Fourth Proportional to 710,437.38, 1,064,737.50 and 531,540.78

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Solution

The fourth proportional to 710,437.38, 1,064,737.50 and 531,540.78 is: 796,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,437.38 : 1,064,737.50 = 531,540.78 : x
  2. Step 2: Convert to fraction form
    710,437.38/1,064,737.50 = 531,540.78/x
  3. Step 3: Cross multiply
    710,437.38x = 1,064,737.50 × 531,540.78
  4. Step 4: Simplify right side
    710,437.38x = 565,951,401,245.25
  5. Step 5: Solve for x
    x = 565,951,401,245.25/710,437.38
  6. Step 6: Final answer
    x = 796,623.91

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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.