Home / 876,335.68-1,209,399.24-494,223.04

Finding the Fourth Proportional to 876,335.68, 1,209,399.24 and 494,223.04

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Solution

The fourth proportional to 876,335.68, 1,209,399.24 and 494,223.04 is: 682,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,335.68 : 1,209,399.24 = 494,223.04 : x
  2. Step 2: Convert to fraction form
    876,335.68/1,209,399.24 = 494,223.04/x
  3. Step 3: Cross multiply
    876,335.68x = 1,209,399.24 × 494,223.04
  4. Step 4: Simplify right side
    876,335.68x = 597,712,968,966.49
  5. Step 5: Solve for x
    x = 597,712,968,966.49/876,335.68
  6. Step 6: Final answer
    x = 682,059.38

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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.