Home / 663,979.28-996,284.01-344,071.35

Finding the Fourth Proportional to 663,979.28, 996,284.01 and 344,071.35

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Solution

The fourth proportional to 663,979.28, 996,284.01 and 344,071.35 is: 516,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,979.28 : 996,284.01 = 344,071.35 : x
  2. Step 2: Convert to fraction form
    663,979.28/996,284.01 = 344,071.35/x
  3. Step 3: Cross multiply
    663,979.28x = 996,284.01 × 344,071.35
  4. Step 4: Simplify right side
    663,979.28x = 342,792,784,304.11
  5. Step 5: Solve for x
    x = 342,792,784,304.11/663,979.28
  6. Step 6: Final answer
    x = 516,270.31

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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.