Home / 765,881.12-1,148,864.88-233,419.52

Finding the Fourth Proportional to 765,881.12, 1,148,864.88 and 233,419.52

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Solution

The fourth proportional to 765,881.12, 1,148,864.88 and 233,419.52 is: 350,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,881.12 : 1,148,864.88 = 233,419.52 : x
  2. Step 2: Convert to fraction form
    765,881.12/1,148,864.88 = 233,419.52/x
  3. Step 3: Cross multiply
    765,881.12x = 1,148,864.88 × 233,419.52
  4. Step 4: Simplify right side
    765,881.12x = 268,167,488,834.46
  5. Step 5: Solve for x
    x = 268,167,488,834.46/765,881.12
  6. Step 6: Final answer
    x = 350,142.45

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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.