Home / 814,307.16-1,221,568.26-301,901.55

Finding the Fourth Proportional to 814,307.16, 1,221,568.26 and 301,901.55

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Solution

The fourth proportional to 814,307.16, 1,221,568.26 and 301,901.55 is: 452,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,307.16 : 1,221,568.26 = 301,901.55 : x
  2. Step 2: Convert to fraction form
    814,307.16/1,221,568.26 = 301,901.55/x
  3. Step 3: Cross multiply
    814,307.16x = 1,221,568.26 × 301,901.55
  4. Step 4: Simplify right side
    814,307.16x = 368,793,351,124.80
  5. Step 5: Solve for x
    x = 368,793,351,124.80/814,307.16
  6. Step 6: Final answer
    x = 452,892.19

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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.