Home / 478,209.06-659,932.80-263,349.96

Finding the Fourth Proportional to 478,209.06, 659,932.80 and 263,349.96

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Solution

The fourth proportional to 478,209.06, 659,932.80 and 263,349.96 is: 363,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,209.06 : 659,932.80 = 263,349.96 : x
  2. Step 2: Convert to fraction form
    478,209.06/659,932.80 = 263,349.96/x
  3. Step 3: Cross multiply
    478,209.06x = 659,932.80 × 263,349.96
  4. Step 4: Simplify right side
    478,209.06x = 173,793,276,482.69
  5. Step 5: Solve for x
    x = 173,793,276,482.69/478,209.06
  6. Step 6: Final answer
    x = 363,425.31

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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.