Home / 995,200.71-1,492,422.75-321,180.98

Finding the Fourth Proportional to 995,200.71, 1,492,422.75 and 321,180.98

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Solution

The fourth proportional to 995,200.71, 1,492,422.75 and 321,180.98 is: 481,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,200.71 : 1,492,422.75 = 321,180.98 : x
  2. Step 2: Convert to fraction form
    995,200.71/1,492,422.75 = 321,180.98/x
  3. Step 3: Cross multiply
    995,200.71x = 1,492,422.75 × 321,180.98
  4. Step 4: Simplify right side
    995,200.71x = 479,337,793,957.18
  5. Step 5: Solve for x
    x = 479,337,793,957.18/995,200.71
  6. Step 6: Final answer
    x = 481,649.37

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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.