Home / 478,241.29-659,964.95-263,401.34

Finding the Fourth Proportional to 478,241.29, 659,964.95 and 263,401.34

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Solution

The fourth proportional to 478,241.29, 659,964.95 and 263,401.34 is: 363,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,241.29 : 659,964.95 = 263,401.34 : x
  2. Step 2: Convert to fraction form
    478,241.29/659,964.95 = 263,401.34/x
  3. Step 3: Cross multiply
    478,241.29x = 659,964.95 × 263,401.34
  4. Step 4: Simplify right side
    478,241.29x = 173,835,652,515.94
  5. Step 5: Solve for x
    x = 173,835,652,515.94/478,241.29
  6. Step 6: Final answer
    x = 363,489.43

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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.