Home / 781,527.24-1,172,126.83-220,430.52

Finding the Fourth Proportional to 781,527.24, 1,172,126.83 and 220,430.52

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Solution

The fourth proportional to 781,527.24, 1,172,126.83 and 220,430.52 is: 330,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,527.24 : 1,172,126.83 = 220,430.52 : x
  2. Step 2: Convert to fraction form
    781,527.24/1,172,126.83 = 220,430.52/x
  3. Step 3: Cross multiply
    781,527.24x = 1,172,126.83 × 220,430.52
  4. Step 4: Simplify right side
    781,527.24x = 258,372,526,642.85
  5. Step 5: Solve for x
    x = 258,372,526,642.85/781,527.24
  6. Step 6: Final answer
    x = 330,599.52

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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.