Home / 571,306.80-857,017.04-211,573.92

Finding the Fourth Proportional to 571,306.80, 857,017.04 and 211,573.92

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Solution

The fourth proportional to 571,306.80, 857,017.04 and 211,573.92 is: 317,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,306.80 : 857,017.04 = 211,573.92 : x
  2. Step 2: Convert to fraction form
    571,306.80/857,017.04 = 211,573.92/x
  3. Step 3: Cross multiply
    571,306.80x = 857,017.04 × 211,573.92
  4. Step 4: Simplify right side
    571,306.80x = 181,322,453,601.73
  5. Step 5: Solve for x
    x = 181,322,453,601.73/571,306.80
  6. Step 6: Final answer
    x = 317,381.93

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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.