Home / 778,005.80-1,167,008.70-187,029.80

Finding the Fourth Proportional to 778,005.80, 1,167,008.70 and 187,029.80

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Solution

The fourth proportional to 778,005.80, 1,167,008.70 and 187,029.80 is: 280,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,005.80 : 1,167,008.70 = 187,029.80 : x
  2. Step 2: Convert to fraction form
    778,005.80/1,167,008.70 = 187,029.80/x
  3. Step 3: Cross multiply
    778,005.80x = 1,167,008.70 × 187,029.80
  4. Step 4: Simplify right side
    778,005.80x = 218,265,403,759.26
  5. Step 5: Solve for x
    x = 218,265,403,759.26/778,005.80
  6. Step 6: Final answer
    x = 280,544.70

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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.