Home / 527,701.35-728,306.03-334,127.06

Finding the Fourth Proportional to 527,701.35, 728,306.03 and 334,127.06

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Solution

The fourth proportional to 527,701.35, 728,306.03 and 334,127.06 is: 461,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,701.35 : 728,306.03 = 334,127.06 : x
  2. Step 2: Convert to fraction form
    527,701.35/728,306.03 = 334,127.06/x
  3. Step 3: Cross multiply
    527,701.35x = 728,306.03 × 334,127.06
  4. Step 4: Simplify right side
    527,701.35x = 243,346,748,524.98
  5. Step 5: Solve for x
    x = 243,346,748,524.98/527,701.35
  6. Step 6: Final answer
    x = 461,144.83

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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.