Home / 497,815.40-746,723.10-454,512.80

Finding the Fourth Proportional to 497,815.40, 746,723.10 and 454,512.80

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Solution

The fourth proportional to 497,815.40, 746,723.10 and 454,512.80 is: 681,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,815.40 : 746,723.10 = 454,512.80 : x
  2. Step 2: Convert to fraction form
    497,815.40/746,723.10 = 454,512.80/x
  3. Step 3: Cross multiply
    497,815.40x = 746,723.10 × 454,512.80
  4. Step 4: Simplify right side
    497,815.40x = 339,395,207,005.68
  5. Step 5: Solve for x
    x = 339,395,207,005.68/497,815.40
  6. Step 6: Final answer
    x = 681,769.20

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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.