Home / 774,877.16-1,160,150.60-418,614.86

Finding the Fourth Proportional to 774,877.16, 1,160,150.60 and 418,614.86

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Solution

The fourth proportional to 774,877.16, 1,160,150.60 and 418,614.86 is: 626,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,877.16 : 1,160,150.60 = 418,614.86 : x
  2. Step 2: Convert to fraction form
    774,877.16/1,160,150.60 = 418,614.86/x
  3. Step 3: Cross multiply
    774,877.16x = 1,160,150.60 × 418,614.86
  4. Step 4: Simplify right side
    774,877.16x = 485,656,280,997.92
  5. Step 5: Solve for x
    x = 485,656,280,997.92/774,877.16
  6. Step 6: Final answer
    x = 626,752.61

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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.