Home / 750,343.28-1,035,476.20-406,179.11

Finding the Fourth Proportional to 750,343.28, 1,035,476.20 and 406,179.11

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Solution

The fourth proportional to 750,343.28, 1,035,476.20 and 406,179.11 is: 560,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,343.28 : 1,035,476.20 = 406,179.11 : x
  2. Step 2: Convert to fraction form
    750,343.28/1,035,476.20 = 406,179.11/x
  3. Step 3: Cross multiply
    750,343.28x = 1,035,476.20 × 406,179.11
  4. Step 4: Simplify right side
    750,343.28x = 420,588,799,311.29
  5. Step 5: Solve for x
    x = 420,588,799,311.29/750,343.28
  6. Step 6: Final answer
    x = 560,528.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.