Home / 880,819.74-1,215,616.56-493,700.94

Finding the Fourth Proportional to 880,819.74, 1,215,616.56 and 493,700.94

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Solution

The fourth proportional to 880,819.74, 1,215,616.56 and 493,700.94 is: 681,355.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,819.74 : 1,215,616.56 = 493,700.94 : x
  2. Step 2: Convert to fraction form
    880,819.74/1,215,616.56 = 493,700.94/x
  3. Step 3: Cross multiply
    880,819.74x = 1,215,616.56 × 493,700.94
  4. Step 4: Simplify right side
    880,819.74x = 600,151,038,351.57
  5. Step 5: Solve for x
    x = 600,151,038,351.57/880,819.74
  6. Step 6: Final answer
    x = 681,355.12

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1.5x scale

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.