Home / 780,229.90-1,170,344.85-219,264.40

Finding the Fourth Proportional to 780,229.90, 1,170,344.85 and 219,264.40

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Solution

The fourth proportional to 780,229.90, 1,170,344.85 and 219,264.40 is: 328,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,229.90 : 1,170,344.85 = 219,264.40 : x
  2. Step 2: Convert to fraction form
    780,229.90/1,170,344.85 = 219,264.40/x
  3. Step 3: Cross multiply
    780,229.90x = 1,170,344.85 × 219,264.40
  4. Step 4: Simplify right side
    780,229.90x = 256,614,961,328.34
  5. Step 5: Solve for x
    x = 256,614,961,328.34/780,229.90
  6. Step 6: Final answer
    x = 328,896.60

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Similar ratio
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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.