Home / 478,743.18-660,635.55-263,871.42

Finding the Fourth Proportional to 478,743.18, 660,635.55 and 263,871.42

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Solution

The fourth proportional to 478,743.18, 660,635.55 and 263,871.42 is: 364,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,743.18 : 660,635.55 = 263,871.42 : x
  2. Step 2: Convert to fraction form
    478,743.18/660,635.55 = 263,871.42/x
  3. Step 3: Cross multiply
    478,743.18x = 660,635.55 × 263,871.42
  4. Step 4: Simplify right side
    478,743.18x = 174,322,840,680.98
  5. Step 5: Solve for x
    x = 174,322,840,680.98/478,743.18
  6. Step 6: Final answer
    x = 364,126.00

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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.