Home / 478,214.06-659,939.70-263,354.96

Finding the Fourth Proportional to 478,214.06, 659,939.70 and 263,354.96

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Solution

The fourth proportional to 478,214.06, 659,939.70 and 263,354.96 is: 363,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,214.06 : 659,939.70 = 263,354.96 : x
  2. Step 2: Convert to fraction form
    478,214.06/659,939.70 = 263,354.96/x
  3. Step 3: Cross multiply
    478,214.06x = 659,939.70 × 263,354.96
  4. Step 4: Simplify right side
    478,214.06x = 173,798,393,295.91
  5. Step 5: Solve for x
    x = 173,798,393,295.91/478,214.06
  6. Step 6: Final answer
    x = 363,432.21

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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.