Home / 478,583.64-660,449.85-263,731.39

Finding the Fourth Proportional to 478,583.64, 660,449.85 and 263,731.39

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Solution

The fourth proportional to 478,583.64, 660,449.85 and 263,731.39 is: 363,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,583.64 : 660,449.85 = 263,731.39 : x
  2. Step 2: Convert to fraction form
    478,583.64/660,449.85 = 263,731.39/x
  3. Step 3: Cross multiply
    478,583.64x = 660,449.85 × 263,731.39
  4. Step 4: Simplify right side
    478,583.64x = 174,181,359,524.19
  5. Step 5: Solve for x
    x = 174,181,359,524.19/478,583.64
  6. Step 6: Final answer
    x = 363,951.76

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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.