Home / 526,844.60-787,934.10-442,863.80

Finding the Fourth Proportional to 526,844.60, 787,934.10 and 442,863.80

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Solution

The fourth proportional to 526,844.60, 787,934.10 and 442,863.80 is: 662,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,844.60 : 787,934.10 = 442,863.80 : x
  2. Step 2: Convert to fraction form
    526,844.60/787,934.10 = 442,863.80/x
  3. Step 3: Cross multiply
    526,844.60x = 787,934.10 × 442,863.80
  4. Step 4: Simplify right side
    526,844.60x = 348,947,489,675.58
  5. Step 5: Solve for x
    x = 348,947,489,675.58/526,844.60
  6. Step 6: Final answer
    x = 662,334.76

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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.