Home / 857,995.23-1,287,251.19-773,358.33

Finding the Fourth Proportional to 857,995.23, 1,287,251.19 and 773,358.33

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Solution

The fourth proportional to 857,995.23, 1,287,251.19 and 773,358.33 is: 1,160,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,995.23 : 1,287,251.19 = 773,358.33 : x
  2. Step 2: Convert to fraction form
    857,995.23/1,287,251.19 = 773,358.33/x
  3. Step 3: Cross multiply
    857,995.23x = 1,287,251.19 × 773,358.33
  4. Step 4: Simplify right side
    857,995.23x = 995,506,430,588.91
  5. Step 5: Solve for x
    x = 995,506,430,588.91/857,995.23
  6. Step 6: Final answer
    x = 1,160,270.36

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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.