Home / 857,995.73-1,287,251.94-773,358.83

Finding the Fourth Proportional to 857,995.73, 1,287,251.94 and 773,358.83

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Solution

The fourth proportional to 857,995.73, 1,287,251.94 and 773,358.83 is: 1,160,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,995.73 : 1,287,251.94 = 773,358.83 : x
  2. Step 2: Convert to fraction form
    857,995.73/1,287,251.94 = 773,358.83/x
  3. Step 3: Cross multiply
    857,995.73x = 1,287,251.94 × 773,358.83
  4. Step 4: Simplify right side
    857,995.73x = 995,507,654,233.63
  5. Step 5: Solve for x
    x = 995,507,654,233.63/857,995.73
  6. Step 6: Final answer
    x = 1,160,271.11

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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.