Home / 478,220.52-659,939.34-263,356.02

Finding the Fourth Proportional to 478,220.52, 659,939.34 and 263,356.02

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Solution

The fourth proportional to 478,220.52, 659,939.34 and 263,356.02 is: 363,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,220.52 : 659,939.34 = 263,356.02 : x
  2. Step 2: Convert to fraction form
    478,220.52/659,939.34 = 263,356.02/x
  3. Step 3: Cross multiply
    478,220.52x = 659,939.34 × 263,356.02
  4. Step 4: Simplify right side
    478,220.52x = 173,798,998,023.83
  5. Step 5: Solve for x
    x = 173,798,998,023.83/478,220.52
  6. Step 6: Final answer
    x = 363,428.57

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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.