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Finding the Fourth Proportional to 478,594.11, 660,464.24 and 263,741.88

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Solution

The fourth proportional to 478,594.11, 660,464.24 and 263,741.88 is: 363,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,594.11 : 660,464.24 = 263,741.88 : x
  2. Step 2: Convert to fraction form
    478,594.11/660,464.24 = 263,741.88/x
  3. Step 3: Cross multiply
    478,594.11x = 660,464.24 × 263,741.88
  4. Step 4: Simplify right side
    478,594.11x = 174,192,079,011.66
  5. Step 5: Solve for x
    x = 174,192,079,011.66/478,594.11
  6. Step 6: Final answer
    x = 363,966.20

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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.