Home / 1,031,776.20-1,547,664.30-321,803.10

Finding the Fourth Proportional to 1,031,776.20, 1,547,664.30 and 321,803.10

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Solution

The fourth proportional to 1,031,776.20, 1,547,664.30 and 321,803.10 is: 482,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,776.20 : 1,547,664.30 = 321,803.10 : x
  2. Step 2: Convert to fraction form
    1,031,776.20/1,547,664.30 = 321,803.10/x
  3. Step 3: Cross multiply
    1,031,776.20x = 1,547,664.30 × 321,803.10
  4. Step 4: Simplify right side
    1,031,776.20x = 498,043,169,499.33
  5. Step 5: Solve for x
    x = 498,043,169,499.33/1,031,776.20
  6. Step 6: Final answer
    x = 482,704.65

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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.