Home / 611,939.07-844,473.20-340,051.23

Finding the Fourth Proportional to 611,939.07, 844,473.20 and 340,051.23

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Solution

The fourth proportional to 611,939.07, 844,473.20 and 340,051.23 is: 469,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,939.07 : 844,473.20 = 340,051.23 : x
  2. Step 2: Convert to fraction form
    611,939.07/844,473.20 = 340,051.23/x
  3. Step 3: Cross multiply
    611,939.07x = 844,473.20 × 340,051.23
  4. Step 4: Simplify right side
    611,939.07x = 287,164,148,661.78
  5. Step 5: Solve for x
    x = 287,164,148,661.78/611,939.07
  6. Step 6: Final answer
    x = 469,269.19

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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.