Home / 771,614.02-1,156,258.71-687,524.78

Finding the Fourth Proportional to 771,614.02, 1,156,258.71 and 687,524.78

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Solution

The fourth proportional to 771,614.02, 1,156,258.71 and 687,524.78 is: 1,030,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,614.02 : 1,156,258.71 = 687,524.78 : x
  2. Step 2: Convert to fraction form
    771,614.02/1,156,258.71 = 687,524.78/x
  3. Step 3: Cross multiply
    771,614.02x = 1,156,258.71 × 687,524.78
  4. Step 4: Simplify right side
    771,614.02x = 794,956,515,215.83
  5. Step 5: Solve for x
    x = 794,956,515,215.83/771,614.02
  6. Step 6: Final answer
    x = 1,030,251.52

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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.