Home / 872,753.68-1,204,392.48-490,772.32

Finding the Fourth Proportional to 872,753.68, 1,204,392.48 and 490,772.32

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Solution

The fourth proportional to 872,753.68, 1,204,392.48 and 490,772.32 is: 677,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,753.68 : 1,204,392.48 = 490,772.32 : x
  2. Step 2: Convert to fraction form
    872,753.68/1,204,392.48 = 490,772.32/x
  3. Step 3: Cross multiply
    872,753.68x = 1,204,392.48 × 490,772.32
  4. Step 4: Simplify right side
    872,753.68x = 591,082,491,600.15
  5. Step 5: Solve for x
    x = 591,082,491,600.15/872,753.68
  6. Step 6: Final answer
    x = 677,261.53

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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.