Home / 808,471.20-1,215,331.20-573,441.60

Finding the Fourth Proportional to 808,471.20, 1,215,331.20 and 573,441.60

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Solution

The fourth proportional to 808,471.20, 1,215,331.20 and 573,441.60 is: 862,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,471.20 : 1,215,331.20 = 573,441.60 : x
  2. Step 2: Convert to fraction form
    808,471.20/1,215,331.20 = 573,441.60/x
  3. Step 3: Cross multiply
    808,471.20x = 1,215,331.20 × 573,441.60
  4. Step 4: Simplify right side
    808,471.20x = 696,921,467,857.92
  5. Step 5: Solve for x
    x = 696,921,467,857.92/808,471.20
  6. Step 6: Final answer
    x = 862,023.86

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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.