Home / 917,499.60-1,377,286.20-543,733.20

Finding the Fourth Proportional to 917,499.60, 1,377,286.20 and 543,733.20

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Solution

The fourth proportional to 917,499.60, 1,377,286.20 and 543,733.20 is: 816,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,499.60 : 1,377,286.20 = 543,733.20 : x
  2. Step 2: Convert to fraction form
    917,499.60/1,377,286.20 = 543,733.20/x
  3. Step 3: Cross multiply
    917,499.60x = 1,377,286.20 × 543,733.20
  4. Step 4: Simplify right side
    917,499.60x = 748,876,232,841.84
  5. Step 5: Solve for x
    x = 748,876,232,841.84/917,499.60
  6. Step 6: Final answer
    x = 816,214.23

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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.