Home / 728,725.10-1,093,087.65-576,509.90

Finding the Fourth Proportional to 728,725.10, 1,093,087.65 and 576,509.90

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Solution

The fourth proportional to 728,725.10, 1,093,087.65 and 576,509.90 is: 864,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,725.10 : 1,093,087.65 = 576,509.90 : x
  2. Step 2: Convert to fraction form
    728,725.10/1,093,087.65 = 576,509.90/x
  3. Step 3: Cross multiply
    728,725.10x = 1,093,087.65 × 576,509.90
  4. Step 4: Simplify right side
    728,725.10x = 630,175,851,792.74
  5. Step 5: Solve for x
    x = 630,175,851,792.74/728,725.10
  6. Step 6: Final answer
    x = 864,764.85

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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.