Home / 924,200.76-1,386,458.78-412,051.74

Finding the Fourth Proportional to 924,200.76, 1,386,458.78 and 412,051.74

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Solution

The fourth proportional to 924,200.76, 1,386,458.78 and 412,051.74 is: 618,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,200.76 : 1,386,458.78 = 412,051.74 : x
  2. Step 2: Convert to fraction form
    924,200.76/1,386,458.78 = 412,051.74/x
  3. Step 3: Cross multiply
    924,200.76x = 1,386,458.78 × 412,051.74
  4. Step 4: Simplify right side
    924,200.76x = 571,292,752,737.28
  5. Step 5: Solve for x
    x = 571,292,752,737.28/924,200.76
  6. Step 6: Final answer
    x = 618,147.89

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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.