Home / 782,835.64-1,174,253.58-221,870.20

Finding the Fourth Proportional to 782,835.64, 1,174,253.58 and 221,870.20

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Solution

The fourth proportional to 782,835.64, 1,174,253.58 and 221,870.20 is: 332,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,835.64 : 1,174,253.58 = 221,870.20 : x
  2. Step 2: Convert to fraction form
    782,835.64/1,174,253.58 = 221,870.20/x
  3. Step 3: Cross multiply
    782,835.64x = 1,174,253.58 × 221,870.20
  4. Step 4: Simplify right side
    782,835.64x = 260,531,876,645.32
  5. Step 5: Solve for x
    x = 260,531,876,645.32/782,835.64
  6. Step 6: Final answer
    x = 332,805.33

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Double scale
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Similar ratio
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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.