Home / 782,834.64-1,174,252.08-221,869.20

Finding the Fourth Proportional to 782,834.64, 1,174,252.08 and 221,869.20

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Solution

The fourth proportional to 782,834.64, 1,174,252.08 and 221,869.20 is: 332,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,834.64 : 1,174,252.08 = 221,869.20 : x
  2. Step 2: Convert to fraction form
    782,834.64/1,174,252.08 = 221,869.20/x
  3. Step 3: Cross multiply
    782,834.64x = 1,174,252.08 × 221,869.20
  4. Step 4: Simplify right side
    782,834.64x = 260,530,369,587.94
  5. Step 5: Solve for x
    x = 260,530,369,587.94/782,834.64
  6. Step 6: Final answer
    x = 332,803.83

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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.