Home / 478,213.06-659,938.32-263,353.96

Finding the Fourth Proportional to 478,213.06, 659,938.32 and 263,353.96

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Solution

The fourth proportional to 478,213.06, 659,938.32 and 263,353.96 is: 363,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,213.06 : 659,938.32 = 263,353.96 : x
  2. Step 2: Convert to fraction form
    478,213.06/659,938.32 = 263,353.96/x
  3. Step 3: Cross multiply
    478,213.06x = 659,938.32 × 263,353.96
  4. Step 4: Simplify right side
    478,213.06x = 173,797,369,927.75
  5. Step 5: Solve for x
    x = 173,797,369,927.75/478,213.06
  6. Step 6: Final answer
    x = 363,430.83

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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.