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Finding the Fourth Proportional to 652,225.40, 978,508.20 and 252,879.20

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Solution

The fourth proportional to 652,225.40, 978,508.20 and 252,879.20 is: 379,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,225.40 : 978,508.20 = 252,879.20 : x
  2. Step 2: Convert to fraction form
    652,225.40/978,508.20 = 252,879.20/x
  3. Step 3: Cross multiply
    652,225.40x = 978,508.20 × 252,879.20
  4. Step 4: Simplify right side
    652,225.40x = 247,444,370,809.44
  5. Step 5: Solve for x
    x = 247,444,370,809.44/652,225.40
  6. Step 6: Final answer
    x = 379,384.75

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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.