Home / 924,930.60-1,387,655.10-451,631.40

Finding the Fourth Proportional to 924,930.60, 1,387,655.10 and 451,631.40

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Solution

The fourth proportional to 924,930.60, 1,387,655.10 and 451,631.40 is: 677,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,930.60 : 1,387,655.10 = 451,631.40 : x
  2. Step 2: Convert to fraction form
    924,930.60/1,387,655.10 = 451,631.40/x
  3. Step 3: Cross multiply
    924,930.60x = 1,387,655.10 × 451,631.40
  4. Step 4: Simplify right side
    924,930.60x = 626,708,615,530.14
  5. Step 5: Solve for x
    x = 626,708,615,530.14/924,930.60
  6. Step 6: Final answer
    x = 677,573.66

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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.