Home / 819,886.74-1,229,436.45-464,805.42

Finding the Fourth Proportional to 819,886.74, 1,229,436.45 and 464,805.42

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Solution

The fourth proportional to 819,886.74, 1,229,436.45 and 464,805.42 is: 696,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,886.74 : 1,229,436.45 = 464,805.42 : x
  2. Step 2: Convert to fraction form
    819,886.74/1,229,436.45 = 464,805.42/x
  3. Step 3: Cross multiply
    819,886.74x = 1,229,436.45 × 464,805.42
  4. Step 4: Simplify right side
    819,886.74x = 571,448,725,505.56
  5. Step 5: Solve for x
    x = 571,448,725,505.56/819,886.74
  6. Step 6: Final answer
    x = 696,984.96

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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.