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Finding the Fourth Proportional to 612,005.13, 844,550.31 and 340,066.02

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Solution

The fourth proportional to 612,005.13, 844,550.31 and 340,066.02 is: 469,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,005.13 : 844,550.31 = 340,066.02 : x
  2. Step 2: Convert to fraction form
    612,005.13/844,550.31 = 340,066.02/x
  3. Step 3: Cross multiply
    612,005.13x = 844,550.31 × 340,066.02
  4. Step 4: Simplify right side
    612,005.13x = 287,202,862,611.47
  5. Step 5: Solve for x
    x = 287,202,862,611.47/612,005.13
  6. Step 6: Final answer
    x = 469,281.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.