Home / 611,939.57-844,473.89-340,051.73

Finding the Fourth Proportional to 611,939.57, 844,473.89 and 340,051.73

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Solution

The fourth proportional to 611,939.57, 844,473.89 and 340,051.73 is: 469,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,939.57 : 844,473.89 = 340,051.73 : x
  2. Step 2: Convert to fraction form
    611,939.57/844,473.89 = 340,051.73/x
  3. Step 3: Cross multiply
    611,939.57x = 844,473.89 × 340,051.73
  4. Step 4: Simplify right side
    611,939.57x = 287,164,805,534.07
  5. Step 5: Solve for x
    x = 287,164,805,534.07/611,939.57
  6. Step 6: Final answer
    x = 469,269.88

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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.