Home / 786,962.20-1,180,443.30-488,363.80

Finding the Fourth Proportional to 786,962.20, 1,180,443.30 and 488,363.80

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Solution

The fourth proportional to 786,962.20, 1,180,443.30 and 488,363.80 is: 732,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,962.20 : 1,180,443.30 = 488,363.80 : x
  2. Step 2: Convert to fraction form
    786,962.20/1,180,443.30 = 488,363.80/x
  3. Step 3: Cross multiply
    786,962.20x = 1,180,443.30 × 488,363.80
  4. Step 4: Simplify right side
    786,962.20x = 576,485,775,672.54
  5. Step 5: Solve for x
    x = 576,485,775,672.54/786,962.20
  6. Step 6: Final answer
    x = 732,545.70

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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.