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Finding the Fourth Proportional to 588,744.70, 883,117.05 and 420,783.10

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Solution

The fourth proportional to 588,744.70, 883,117.05 and 420,783.10 is: 631,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,744.70 : 883,117.05 = 420,783.10 : x
  2. Step 2: Convert to fraction form
    588,744.70/883,117.05 = 420,783.10/x
  3. Step 3: Cross multiply
    588,744.70x = 883,117.05 × 420,783.10
  4. Step 4: Simplify right side
    588,744.70x = 371,600,729,961.86
  5. Step 5: Solve for x
    x = 371,600,729,961.86/588,744.70
  6. Step 6: Final answer
    x = 631,174.65

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Double scale
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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.