Home / 765,709.25-1,148,729.92-233,216.33

Finding the Fourth Proportional to 765,709.25, 1,148,729.92 and 233,216.33

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Solution

The fourth proportional to 765,709.25, 1,148,729.92 and 233,216.33 is: 349,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,709.25 : 1,148,729.92 = 233,216.33 : x
  2. Step 2: Convert to fraction form
    765,709.25/1,148,729.92 = 233,216.33/x
  3. Step 3: Cross multiply
    765,709.25x = 1,148,729.92 × 233,216.33
  4. Step 4: Simplify right side
    765,709.25x = 267,902,569,776.90
  5. Step 5: Solve for x
    x = 267,902,569,776.90/765,709.25
  6. Step 6: Final answer
    x = 349,875.06

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1.5x scale

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.