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Finding the Fourth Proportional to 580,091.80, 870,793.80 and 313,715.20

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Solution

The fourth proportional to 580,091.80, 870,793.80 and 313,715.20 is: 470,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,091.80 : 870,793.80 = 313,715.20 : x
  2. Step 2: Convert to fraction form
    580,091.80/870,793.80 = 313,715.20/x
  3. Step 3: Cross multiply
    580,091.80x = 870,793.80 × 313,715.20
  4. Step 4: Simplify right side
    580,091.80x = 273,181,251,125.76
  5. Step 5: Solve for x
    x = 273,181,251,125.76/580,091.80
  6. Step 6: Final answer
    x = 470,927.62

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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.