Home / 1,031,600.40-1,547,400.60-321,622.80

Finding the Fourth Proportional to 1,031,600.40, 1,547,400.60 and 321,622.80

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Solution

The fourth proportional to 1,031,600.40, 1,547,400.60 and 321,622.80 is: 482,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,600.40 : 1,547,400.60 = 321,622.80 : x
  2. Step 2: Convert to fraction form
    1,031,600.40/1,547,400.60 = 321,622.80/x
  3. Step 3: Cross multiply
    1,031,600.40x = 1,547,400.60 × 321,622.80
  4. Step 4: Simplify right side
    1,031,600.40x = 497,679,313,693.68
  5. Step 5: Solve for x
    x = 497,679,313,693.68/1,031,600.40
  6. Step 6: Final answer
    x = 482,434.20

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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.