Home / 868,172.88-1,198,086.84-480,996.48

Finding the Fourth Proportional to 868,172.88, 1,198,086.84 and 480,996.48

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Solution

The fourth proportional to 868,172.88, 1,198,086.84 and 480,996.48 is: 663,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,172.88 : 1,198,086.84 = 480,996.48 : x
  2. Step 2: Convert to fraction form
    868,172.88/1,198,086.84 = 480,996.48/x
  3. Step 3: Cross multiply
    868,172.88x = 1,198,086.84 × 480,996.48
  4. Step 4: Simplify right side
    868,172.88x = 576,275,552,774.32
  5. Step 5: Solve for x
    x = 576,275,552,774.32/868,172.88
  6. Step 6: Final answer
    x = 663,779.72

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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.