Home / 676,549.67-1,014,737.02-321,789.11

Finding the Fourth Proportional to 676,549.67, 1,014,737.02 and 321,789.11

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Solution

The fourth proportional to 676,549.67, 1,014,737.02 and 321,789.11 is: 482,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,549.67 : 1,014,737.02 = 321,789.11 : x
  2. Step 2: Convert to fraction form
    676,549.67/1,014,737.02 = 321,789.11/x
  3. Step 3: Cross multiply
    676,549.67x = 1,014,737.02 × 321,789.11
  4. Step 4: Simplify right side
    676,549.67x = 326,531,316,671.69
  5. Step 5: Solve for x
    x = 326,531,316,671.69/676,549.67
  6. Step 6: Final answer
    x = 482,642.05

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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.