Home / 861,265.68-1,188,599.04-479,292.45

Finding the Fourth Proportional to 861,265.68, 1,188,599.04 and 479,292.45

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Solution

The fourth proportional to 861,265.68, 1,188,599.04 and 479,292.45 is: 661,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,265.68 : 1,188,599.04 = 479,292.45 : x
  2. Step 2: Convert to fraction form
    861,265.68/1,188,599.04 = 479,292.45/x
  3. Step 3: Cross multiply
    861,265.68x = 1,188,599.04 × 479,292.45
  4. Step 4: Simplify right side
    861,265.68x = 569,686,545,949.25
  5. Step 5: Solve for x
    x = 569,686,545,949.25/861,265.68
  6. Step 6: Final answer
    x = 661,452.74

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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.