Home / 765,881.11-1,148,864.87-233,419.51

Finding the Fourth Proportional to 765,881.11, 1,148,864.87 and 233,419.51

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Solution

The fourth proportional to 765,881.11, 1,148,864.87 and 233,419.51 is: 350,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,881.11 : 1,148,864.87 = 233,419.51 : x
  2. Step 2: Convert to fraction form
    765,881.11/1,148,864.87 = 233,419.51/x
  3. Step 3: Cross multiply
    765,881.11x = 1,148,864.87 × 233,419.51
  4. Step 4: Simplify right side
    765,881.11x = 268,167,475,011.61
  5. Step 5: Solve for x
    x = 268,167,475,011.61/765,881.11
  6. Step 6: Final answer
    x = 350,142.43

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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.