Home / 924,787.50-1,387,181.25-259,939.50

Finding the Fourth Proportional to 924,787.50, 1,387,181.25 and 259,939.50

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Solution

The fourth proportional to 924,787.50, 1,387,181.25 and 259,939.50 is: 389,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,787.50 : 1,387,181.25 = 259,939.50 : x
  2. Step 2: Convert to fraction form
    924,787.50/1,387,181.25 = 259,939.50/x
  3. Step 3: Cross multiply
    924,787.50x = 1,387,181.25 × 259,939.50
  4. Step 4: Simplify right side
    924,787.50x = 360,583,200,534.38
  5. Step 5: Solve for x
    x = 360,583,200,534.38/924,787.50
  6. Step 6: Final answer
    x = 389,909.25

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Similar ratio
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1.5x scale

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.