Home / 1,031,857.20-1,547,785.80-321,884.10

Finding the Fourth Proportional to 1,031,857.20, 1,547,785.80 and 321,884.10

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Solution

The fourth proportional to 1,031,857.20, 1,547,785.80 and 321,884.10 is: 482,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,857.20 : 1,547,785.80 = 321,884.10 : x
  2. Step 2: Convert to fraction form
    1,031,857.20/1,547,785.80 = 321,884.10/x
  3. Step 3: Cross multiply
    1,031,857.20x = 1,547,785.80 × 321,884.10
  4. Step 4: Simplify right side
    1,031,857.20x = 498,207,639,225.78
  5. Step 5: Solve for x
    x = 498,207,639,225.78/1,031,857.20
  6. Step 6: Final answer
    x = 482,826.15

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Double scale
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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.