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Finding the Fourth Proportional to 478,599.96, 660,472.38 and 263,747.74

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Solution

The fourth proportional to 478,599.96, 660,472.38 and 263,747.74 is: 363,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,599.96 : 660,472.38 = 263,747.74 : x
  2. Step 2: Convert to fraction form
    478,599.96/660,472.38 = 263,747.74/x
  3. Step 3: Cross multiply
    478,599.96x = 660,472.38 × 263,747.74
  4. Step 4: Simplify right side
    478,599.96x = 174,198,097,557.42
  5. Step 5: Solve for x
    x = 174,198,097,557.42/478,599.96
  6. Step 6: Final answer
    x = 363,974.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.