Home / 571,310.80-857,023.04-211,577.92

Finding the Fourth Proportional to 571,310.80, 857,023.04 and 211,577.92

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Solution

The fourth proportional to 571,310.80, 857,023.04 and 211,577.92 is: 317,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,310.80 : 857,023.04 = 211,577.92 : x
  2. Step 2: Convert to fraction form
    571,310.80/857,023.04 = 211,577.92/x
  3. Step 3: Cross multiply
    571,310.80x = 857,023.04 × 211,577.92
  4. Step 4: Simplify right side
    571,310.80x = 181,327,152,195.28
  5. Step 5: Solve for x
    x = 181,327,152,195.28/571,310.80
  6. Step 6: Final answer
    x = 317,387.93

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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.