Home / 924,749.70-1,387,124.55-259,815.30

Finding the Fourth Proportional to 924,749.70, 1,387,124.55 and 259,815.30

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Solution

The fourth proportional to 924,749.70, 1,387,124.55 and 259,815.30 is: 389,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,749.70 : 1,387,124.55 = 259,815.30 : x
  2. Step 2: Convert to fraction form
    924,749.70/1,387,124.55 = 259,815.30/x
  3. Step 3: Cross multiply
    924,749.70x = 1,387,124.55 × 259,815.30
  4. Step 4: Simplify right side
    924,749.70x = 360,396,181,095.62
  5. Step 5: Solve for x
    x = 360,396,181,095.62/924,749.70
  6. Step 6: Final answer
    x = 389,722.95

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Similar ratio
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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.