Home / 765,882.11-1,148,866.37-233,420.51

Finding the Fourth Proportional to 765,882.11, 1,148,866.37 and 233,420.51

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Solution

The fourth proportional to 765,882.11, 1,148,866.37 and 233,420.51 is: 350,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,882.11 : 1,148,866.37 = 233,420.51 : x
  2. Step 2: Convert to fraction form
    765,882.11/1,148,866.37 = 233,420.51/x
  3. Step 3: Cross multiply
    765,882.11x = 1,148,866.37 × 233,420.51
  4. Step 4: Simplify right side
    765,882.11x = 268,168,976,587.64
  5. Step 5: Solve for x
    x = 268,168,976,587.64/765,882.11
  6. Step 6: Final answer
    x = 350,143.93

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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.