Home / 552,555.28-762,525.19-310,838.04

Finding the Fourth Proportional to 552,555.28, 762,525.19 and 310,838.04

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Solution

The fourth proportional to 552,555.28, 762,525.19 and 310,838.04 is: 428,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,555.28 : 762,525.19 = 310,838.04 : x
  2. Step 2: Convert to fraction form
    552,555.28/762,525.19 = 310,838.04/x
  3. Step 3: Cross multiply
    552,555.28x = 762,525.19 × 310,838.04
  4. Step 4: Simplify right side
    552,555.28x = 237,021,835,510.23
  5. Step 5: Solve for x
    x = 237,021,835,510.23/552,555.28
  6. Step 6: Final answer
    x = 428,955.88

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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.