Home / 527,739.21-791,129.04-274,722.45

Finding the Fourth Proportional to 527,739.21, 791,129.04 and 274,722.45

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Solution

The fourth proportional to 527,739.21, 791,129.04 and 274,722.45 is: 411,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,739.21 : 791,129.04 = 274,722.45 : x
  2. Step 2: Convert to fraction form
    527,739.21/791,129.04 = 274,722.45/x
  3. Step 3: Cross multiply
    527,739.21x = 791,129.04 × 274,722.45
  4. Step 4: Simplify right side
    527,739.21x = 217,340,908,134.95
  5. Step 5: Solve for x
    x = 217,340,908,134.95/527,739.21
  6. Step 6: Final answer
    x = 411,833.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.