Home / 861,337.85-1,292,060.08-262,343.15

Finding the Fourth Proportional to 861,337.85, 1,292,060.08 and 262,343.15

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Solution

The fourth proportional to 861,337.85, 1,292,060.08 and 262,343.15 is: 393,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,337.85 : 1,292,060.08 = 262,343.15 : x
  2. Step 2: Convert to fraction form
    861,337.85/1,292,060.08 = 262,343.15/x
  3. Step 3: Cross multiply
    861,337.85x = 1,292,060.08 × 262,343.15
  4. Step 4: Simplify right side
    861,337.85x = 338,963,110,064.74
  5. Step 5: Solve for x
    x = 338,963,110,064.74/861,337.85
  6. Step 6: Final answer
    x = 393,530.96

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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.