Home / 945,892.60-1,418,838.90-281,044.60

Finding the Fourth Proportional to 945,892.60, 1,418,838.90 and 281,044.60

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Solution

The fourth proportional to 945,892.60, 1,418,838.90 and 281,044.60 is: 421,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,892.60 : 1,418,838.90 = 281,044.60 : x
  2. Step 2: Convert to fraction form
    945,892.60/1,418,838.90 = 281,044.60/x
  3. Step 3: Cross multiply
    945,892.60x = 1,418,838.90 × 281,044.60
  4. Step 4: Simplify right side
    945,892.60x = 398,757,011,114.94
  5. Step 5: Solve for x
    x = 398,757,011,114.94/945,892.60
  6. Step 6: Final answer
    x = 421,566.90

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Double scale
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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.