Home / 861,938.68-1,292,009.28-482,302.84

Finding the Fourth Proportional to 861,938.68, 1,292,009.28 and 482,302.84

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Solution

The fourth proportional to 861,938.68, 1,292,009.28 and 482,302.84 is: 722,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,938.68 : 1,292,009.28 = 482,302.84 : x
  2. Step 2: Convert to fraction form
    861,938.68/1,292,009.28 = 482,302.84/x
  3. Step 3: Cross multiply
    861,938.68x = 1,292,009.28 × 482,302.84
  4. Step 4: Simplify right side
    861,938.68x = 623,139,745,050.36
  5. Step 5: Solve for x
    x = 623,139,745,050.36/861,938.68
  6. Step 6: Final answer
    x = 722,951.36

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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.