Home / 798,132.87-1,101,459.15-449,393.28

Finding the Fourth Proportional to 798,132.87, 1,101,459.15 and 449,393.28

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Solution

The fourth proportional to 798,132.87, 1,101,459.15 and 449,393.28 is: 620,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,132.87 : 1,101,459.15 = 449,393.28 : x
  2. Step 2: Convert to fraction form
    798,132.87/1,101,459.15 = 449,393.28/x
  3. Step 3: Cross multiply
    798,132.87x = 1,101,459.15 × 449,393.28
  4. Step 4: Simplify right side
    798,132.87x = 494,988,340,204.51
  5. Step 5: Solve for x
    x = 494,988,340,204.51/798,132.87
  6. Step 6: Final answer
    x = 620,182.88

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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.