Home / 880,082.38-1,320,573.74-418,981.41

Finding the Fourth Proportional to 880,082.38, 1,320,573.74 and 418,981.41

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Solution

The fourth proportional to 880,082.38, 1,320,573.74 and 418,981.41 is: 628,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,082.38 : 1,320,573.74 = 418,981.41 : x
  2. Step 2: Convert to fraction form
    880,082.38/1,320,573.74 = 418,981.41/x
  3. Step 3: Cross multiply
    880,082.38x = 1,320,573.74 × 418,981.41
  4. Step 4: Simplify right side
    880,082.38x = 553,295,845,499.27
  5. Step 5: Solve for x
    x = 553,295,845,499.27/880,082.38
  6. Step 6: Final answer
    x = 628,686.43

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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.