Home / 781,526.92-1,172,033.34-275,996.20

Finding the Fourth Proportional to 781,526.92, 1,172,033.34 and 275,996.20

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Solution

The fourth proportional to 781,526.92, 1,172,033.34 and 275,996.20 is: 413,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,526.92 : 1,172,033.34 = 275,996.20 : x
  2. Step 2: Convert to fraction form
    781,526.92/1,172,033.34 = 275,996.20/x
  3. Step 3: Cross multiply
    781,526.92x = 1,172,033.34 × 275,996.20
  4. Step 4: Simplify right side
    781,526.92x = 323,476,748,113.31
  5. Step 5: Solve for x
    x = 323,476,748,113.31/781,526.92
  6. Step 6: Final answer
    x = 413,903.53

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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.