Home / 748,998.28-1,123,331.10-216,402.76

Finding the Fourth Proportional to 748,998.28, 1,123,331.10 and 216,402.76

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Solution

The fourth proportional to 748,998.28, 1,123,331.10 and 216,402.76 is: 324,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,998.28 : 1,123,331.10 = 216,402.76 : x
  2. Step 2: Convert to fraction form
    748,998.28/1,123,331.10 = 216,402.76/x
  3. Step 3: Cross multiply
    748,998.28x = 1,123,331.10 × 216,402.76
  4. Step 4: Simplify right side
    748,998.28x = 243,091,950,433.84
  5. Step 5: Solve for x
    x = 243,091,950,433.84/748,998.28
  6. Step 6: Final answer
    x = 324,556.09

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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.