Home / 924,097.60-1,386,340.80-391,344.40

Finding the Fourth Proportional to 924,097.60, 1,386,340.80 and 391,344.40

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Solution

The fourth proportional to 924,097.60, 1,386,340.80 and 391,344.40 is: 587,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,097.60 : 1,386,340.80 = 391,344.40 : x
  2. Step 2: Convert to fraction form
    924,097.60/1,386,340.80 = 391,344.40/x
  3. Step 3: Cross multiply
    924,097.60x = 1,386,340.80 × 391,344.40
  4. Step 4: Simplify right side
    924,097.60x = 542,536,708,571.52
  5. Step 5: Solve for x
    x = 542,536,708,571.52/924,097.60
  6. Step 6: Final answer
    x = 587,098.93

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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.