Home / 880,108.54-1,320,447.12-407,104.18

Finding the Fourth Proportional to 880,108.54, 1,320,447.12 and 407,104.18

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Solution

The fourth proportional to 880,108.54, 1,320,447.12 and 407,104.18 is: 610,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,108.54 : 1,320,447.12 = 407,104.18 : x
  2. Step 2: Convert to fraction form
    880,108.54/1,320,447.12 = 407,104.18/x
  3. Step 3: Cross multiply
    880,108.54x = 1,320,447.12 × 407,104.18
  4. Step 4: Simplify right side
    880,108.54x = 537,559,542,020.96
  5. Step 5: Solve for x
    x = 537,559,542,020.96/880,108.54
  6. Step 6: Final answer
    x = 610,787.78

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Double scale
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1.5x scale

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.