Home / 880,712.87-1,215,388.40-493,529.15

Finding the Fourth Proportional to 880,712.87, 1,215,388.40 and 493,529.15

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Solution

The fourth proportional to 880,712.87, 1,215,388.40 and 493,529.15 is: 681,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,712.87 : 1,215,388.40 = 493,529.15 : x
  2. Step 2: Convert to fraction form
    880,712.87/1,215,388.40 = 493,529.15/x
  3. Step 3: Cross multiply
    880,712.87x = 1,215,388.40 × 493,529.15
  4. Step 4: Simplify right side
    880,712.87x = 599,829,604,542.69
  5. Step 5: Solve for x
    x = 599,829,604,542.69/880,712.87
  6. Step 6: Final answer
    x = 681,072.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.