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Finding the Fourth Proportional to 652,560.72, 978,839.19 and 179,246.55

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Solution

The fourth proportional to 652,560.72, 978,839.19 and 179,246.55 is: 268,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,560.72 : 978,839.19 = 179,246.55 : x
  2. Step 2: Convert to fraction form
    652,560.72/978,839.19 = 179,246.55/x
  3. Step 3: Cross multiply
    652,560.72x = 978,839.19 × 179,246.55
  4. Step 4: Simplify right side
    652,560.72x = 175,453,547,812.29
  5. Step 5: Solve for x
    x = 175,453,547,812.29/652,560.72
  6. Step 6: Final answer
    x = 268,869.31

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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.