Home / 558,091.44-836,715.60-287,930.16

Finding the Fourth Proportional to 558,091.44, 836,715.60 and 287,930.16

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Solution

The fourth proportional to 558,091.44, 836,715.60 and 287,930.16 is: 431,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,091.44 : 836,715.60 = 287,930.16 : x
  2. Step 2: Convert to fraction form
    558,091.44/836,715.60 = 287,930.16/x
  3. Step 3: Cross multiply
    558,091.44x = 836,715.60 × 287,930.16
  4. Step 4: Simplify right side
    558,091.44x = 240,915,656,582.50
  5. Step 5: Solve for x
    x = 240,915,656,582.50/558,091.44
  6. Step 6: Final answer
    x = 431,677.75

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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.