Home / 880,865.28-1,215,660.96-498,882.24

Finding the Fourth Proportional to 880,865.28, 1,215,660.96 and 498,882.24

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Solution

The fourth proportional to 880,865.28, 1,215,660.96 and 498,882.24 is: 688,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,865.28 : 1,215,660.96 = 498,882.24 : x
  2. Step 2: Convert to fraction form
    880,865.28/1,215,660.96 = 498,882.24/x
  3. Step 3: Cross multiply
    880,865.28x = 1,215,660.96 × 498,882.24
  4. Step 4: Simplify right side
    880,865.28x = 606,471,662,805.35
  5. Step 5: Solve for x
    x = 606,471,662,805.35/880,865.28
  6. Step 6: Final answer
    x = 688,495.37

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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.