Home / 872,829.12-1,204,398.40-485,553.04

Finding the Fourth Proportional to 872,829.12, 1,204,398.40 and 485,553.04

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Solution

The fourth proportional to 872,829.12, 1,204,398.40 and 485,553.04 is: 670,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,829.12 : 1,204,398.40 = 485,553.04 : x
  2. Step 2: Convert to fraction form
    872,829.12/1,204,398.40 = 485,553.04/x
  3. Step 3: Cross multiply
    872,829.12x = 1,204,398.40 × 485,553.04
  4. Step 4: Simplify right side
    872,829.12x = 584,799,304,491.14
  5. Step 5: Solve for x
    x = 584,799,304,491.14/872,829.12
  6. Step 6: Final answer
    x = 670,004.35

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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.