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Finding the Fourth Proportional to 652,718.30, 978,855.70 and 226,154.57

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Solution

The fourth proportional to 652,718.30, 978,855.70 and 226,154.57 is: 339,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,718.30 : 978,855.70 = 226,154.57 : x
  2. Step 2: Convert to fraction form
    652,718.30/978,855.70 = 226,154.57/x
  3. Step 3: Cross multiply
    652,718.30x = 978,855.70 × 226,154.57
  4. Step 4: Simplify right side
    652,718.30x = 221,372,689,925.55
  5. Step 5: Solve for x
    x = 221,372,689,925.55/652,718.30
  6. Step 6: Final answer
    x = 339,155.02

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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.