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Finding the Fourth Proportional to 606,870.80, 910,824.60 and 270,429.20

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Solution

The fourth proportional to 606,870.80, 910,824.60 and 270,429.20 is: 405,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,870.80 : 910,824.60 = 270,429.20 : x
  2. Step 2: Convert to fraction form
    606,870.80/910,824.60 = 270,429.20/x
  3. Step 3: Cross multiply
    606,870.80x = 910,824.60 × 270,429.20
  4. Step 4: Simplify right side
    606,870.80x = 246,313,567,918.32
  5. Step 5: Solve for x
    x = 246,313,567,918.32/606,870.80
  6. Step 6: Final answer
    x = 405,874.81

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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.