Home / 765,292.23-1,147,541.18-225,478.44

Finding the Fourth Proportional to 765,292.23, 1,147,541.18 and 225,478.44

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Solution

The fourth proportional to 765,292.23, 1,147,541.18 and 225,478.44 is: 338,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,292.23 : 1,147,541.18 = 225,478.44 : x
  2. Step 2: Convert to fraction form
    765,292.23/1,147,541.18 = 225,478.44/x
  3. Step 3: Cross multiply
    765,292.23x = 1,147,541.18 × 225,478.44
  4. Step 4: Simplify right side
    765,292.23x = 258,745,793,974.77
  5. Step 5: Solve for x
    x = 258,745,793,974.77/765,292.23
  6. Step 6: Final answer
    x = 338,100.64

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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.