Home / 945,113.60-1,304,233.08-515,402

Finding the Fourth Proportional to 945,113.60, 1,304,233.08 and 515,402

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Solution

The fourth proportional to 945,113.60, 1,304,233.08 and 515,402 is: 711,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,113.60 : 1,304,233.08 = 515,402 : x
  2. Step 2: Convert to fraction form
    945,113.60/1,304,233.08 = 515,402/x
  3. Step 3: Cross multiply
    945,113.60x = 1,304,233.08 × 515,402
  4. Step 4: Simplify right side
    945,113.60x = 672,204,337,898.16
  5. Step 5: Solve for x
    x = 672,204,337,898.16/945,113.60
  6. Step 6: Final answer
    x = 711,241.84

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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.