Home / 708,428.64-1,062,063.84-329,585.28

Finding the Fourth Proportional to 708,428.64, 1,062,063.84 and 329,585.28

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Solution

The fourth proportional to 708,428.64, 1,062,063.84 and 329,585.28 is: 494,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,428.64 : 1,062,063.84 = 329,585.28 : x
  2. Step 2: Convert to fraction form
    708,428.64/1,062,063.84 = 329,585.28/x
  3. Step 3: Cross multiply
    708,428.64x = 1,062,063.84 × 329,585.28
  4. Step 4: Simplify right side
    708,428.64x = 350,040,608,084.28
  5. Step 5: Solve for x
    x = 350,040,608,084.28/708,428.64
  6. Step 6: Final answer
    x = 494,108.49

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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.