Home / 880,595.28-1,215,241.18-493,439.60

Finding the Fourth Proportional to 880,595.28, 1,215,241.18 and 493,439.60

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Solution

The fourth proportional to 880,595.28, 1,215,241.18 and 493,439.60 is: 680,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,595.28 : 1,215,241.18 = 493,439.60 : x
  2. Step 2: Convert to fraction form
    880,595.28/1,215,241.18 = 493,439.60/x
  3. Step 3: Cross multiply
    880,595.28x = 1,215,241.18 × 493,439.60
  4. Step 4: Simplify right side
    880,595.28x = 599,648,121,762.73
  5. Step 5: Solve for x
    x = 599,648,121,762.73/880,595.28
  6. Step 6: Final answer
    x = 680,957.68

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Double scale
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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.