Home / 478,187.28-659,912.04-263,342.52

Finding the Fourth Proportional to 478,187.28, 659,912.04 and 263,342.52

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Solution

The fourth proportional to 478,187.28, 659,912.04 and 263,342.52 is: 363,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,187.28 : 659,912.04 = 263,342.52 : x
  2. Step 2: Convert to fraction form
    478,187.28/659,912.04 = 263,342.52/x
  3. Step 3: Cross multiply
    478,187.28x = 659,912.04 × 263,342.52
  4. Step 4: Simplify right side
    478,187.28x = 173,782,899,591.94
  5. Step 5: Solve for x
    x = 173,782,899,591.94/478,187.28
  6. Step 6: Final answer
    x = 363,420.16

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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.