Home / 791,532.79-1,187,425.28-286,042.60

Finding the Fourth Proportional to 791,532.79, 1,187,425.28 and 286,042.60

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Solution

The fourth proportional to 791,532.79, 1,187,425.28 and 286,042.60 is: 429,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,532.79 : 1,187,425.28 = 286,042.60 : x
  2. Step 2: Convert to fraction form
    791,532.79/1,187,425.28 = 286,042.60/x
  3. Step 3: Cross multiply
    791,532.79x = 1,187,425.28 × 286,042.60
  4. Step 4: Simplify right side
    791,532.79x = 339,654,207,029.59
  5. Step 5: Solve for x
    x = 339,654,207,029.59/791,532.79
  6. Step 6: Final answer
    x = 429,109.46

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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.