Home / 452,819.40-679,229.10-216,623.40

Finding the Fourth Proportional to 452,819.40, 679,229.10 and 216,623.40

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Solution

The fourth proportional to 452,819.40, 679,229.10 and 216,623.40 is: 324,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,819.40 : 679,229.10 = 216,623.40 : x
  2. Step 2: Convert to fraction form
    452,819.40/679,229.10 = 216,623.40/x
  3. Step 3: Cross multiply
    452,819.40x = 679,229.10 × 216,623.40
  4. Step 4: Simplify right side
    452,819.40x = 147,136,917,020.94
  5. Step 5: Solve for x
    x = 147,136,917,020.94/452,819.40
  6. Step 6: Final answer
    x = 324,935.10

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Similar ratio
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1.5x scale

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.