Home / 478,387.13-660,167.15-263,527.34

Finding the Fourth Proportional to 478,387.13, 660,167.15 and 263,527.34

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Solution

The fourth proportional to 478,387.13, 660,167.15 and 263,527.34 is: 363,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,387.13 : 660,167.15 = 263,527.34 : x
  2. Step 2: Convert to fraction form
    478,387.13/660,167.15 = 263,527.34/x
  3. Step 3: Cross multiply
    478,387.13x = 660,167.15 × 263,527.34
  4. Step 4: Simplify right side
    478,387.13x = 173,972,088,376.41
  5. Step 5: Solve for x
    x = 173,972,088,376.41/478,387.13
  6. Step 6: Final answer
    x = 363,663.82

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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.