Home / 539,764.47-809,926.91-220,150.82

Finding the Fourth Proportional to 539,764.47, 809,926.91 and 220,150.82

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Solution

The fourth proportional to 539,764.47, 809,926.91 and 220,150.82 is: 330,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,764.47 : 809,926.91 = 220,150.82 : x
  2. Step 2: Convert to fraction form
    539,764.47/809,926.91 = 220,150.82/x
  3. Step 3: Cross multiply
    539,764.47x = 809,926.91 × 220,150.82
  4. Step 4: Simplify right side
    539,764.47x = 178,306,071,263.40
  5. Step 5: Solve for x
    x = 178,306,071,263.40/539,764.47
  6. Step 6: Final answer
    x = 330,340.51

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1.5x scale

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.