Home / 478,119.34-659,779.65-263,217.89

Finding the Fourth Proportional to 478,119.34, 659,779.65 and 263,217.89

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Solution

The fourth proportional to 478,119.34, 659,779.65 and 263,217.89 is: 363,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,119.34 : 659,779.65 = 263,217.89 : x
  2. Step 2: Convert to fraction form
    478,119.34/659,779.65 = 263,217.89/x
  3. Step 3: Cross multiply
    478,119.34x = 659,779.65 × 263,217.89
  4. Step 4: Simplify right side
    478,119.34x = 173,665,807,337.94
  5. Step 5: Solve for x
    x = 173,665,807,337.94/478,119.34
  6. Step 6: Final answer
    x = 363,226.90

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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.