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Finding the Fourth Proportional to 652,382.08, 978,560.76 and 268,049.22

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Solution

The fourth proportional to 652,382.08, 978,560.76 and 268,049.22 is: 402,068.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,382.08 : 978,560.76 = 268,049.22 : x
  2. Step 2: Convert to fraction form
    652,382.08/978,560.76 = 268,049.22/x
  3. Step 3: Cross multiply
    652,382.08x = 978,560.76 × 268,049.22
  4. Step 4: Simplify right side
    652,382.08x = 262,302,448,440.61
  5. Step 5: Solve for x
    x = 262,302,448,440.61/652,382.08
  6. Step 6: Final answer
    x = 402,068.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.