Home / 728,201.10-1,092,301.65-603,785.10

Finding the Fourth Proportional to 728,201.10, 1,092,301.65 and 603,785.10

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Solution

The fourth proportional to 728,201.10, 1,092,301.65 and 603,785.10 is: 905,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,201.10 : 1,092,301.65 = 603,785.10 : x
  2. Step 2: Convert to fraction form
    728,201.10/1,092,301.65 = 603,785.10/x
  3. Step 3: Cross multiply
    728,201.10x = 1,092,301.65 × 603,785.10
  4. Step 4: Simplify right side
    728,201.10x = 659,515,460,975.42
  5. Step 5: Solve for x
    x = 659,515,460,975.42/728,201.10
  6. Step 6: Final answer
    x = 905,677.65

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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.