Home / 814,655.18-1,221,982.68-253,733.42

Finding the Fourth Proportional to 814,655.18, 1,221,982.68 and 253,733.42

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Solution

The fourth proportional to 814,655.18, 1,221,982.68 and 253,733.42 is: 380,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,655.18 : 1,221,982.68 = 253,733.42 : x
  2. Step 2: Convert to fraction form
    814,655.18/1,221,982.68 = 253,733.42/x
  3. Step 3: Cross multiply
    814,655.18x = 1,221,982.68 × 253,733.42
  4. Step 4: Simplify right side
    814,655.18x = 310,057,844,577.17
  5. Step 5: Solve for x
    x = 310,057,844,577.17/814,655.18
  6. Step 6: Final answer
    x = 380,600.10

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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.