Home / 880,820.20-1,321,230.30-249,725.80

Finding the Fourth Proportional to 880,820.20, 1,321,230.30 and 249,725.80

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Solution

The fourth proportional to 880,820.20, 1,321,230.30 and 249,725.80 is: 374,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,820.20 : 1,321,230.30 = 249,725.80 : x
  2. Step 2: Convert to fraction form
    880,820.20/1,321,230.30 = 249,725.80/x
  3. Step 3: Cross multiply
    880,820.20x = 1,321,230.30 × 249,725.80
  4. Step 4: Simplify right side
    880,820.20x = 329,945,293,651.74
  5. Step 5: Solve for x
    x = 329,945,293,651.74/880,820.20
  6. Step 6: Final answer
    x = 374,588.70

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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.