Home / 798,781.80-1,102,562.98-492,951.72

Finding the Fourth Proportional to 798,781.80, 1,102,562.98 and 492,951.72

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Solution

The fourth proportional to 798,781.80, 1,102,562.98 and 492,951.72 is: 680,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,781.80 : 1,102,562.98 = 492,951.72 : x
  2. Step 2: Convert to fraction form
    798,781.80/1,102,562.98 = 492,951.72/x
  3. Step 3: Cross multiply
    798,781.80x = 1,102,562.98 × 492,951.72
  4. Step 4: Simplify right side
    798,781.80x = 543,510,317,399.33
  5. Step 5: Solve for x
    x = 543,510,317,399.33/798,781.80
  6. Step 6: Final answer
    x = 680,424.01

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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.