Home / 840,021.30-1,259,704.35-366,383.70

Finding the Fourth Proportional to 840,021.30, 1,259,704.35 and 366,383.70

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Solution

The fourth proportional to 840,021.30, 1,259,704.35 and 366,383.70 is: 549,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,021.30 : 1,259,704.35 = 366,383.70 : x
  2. Step 2: Convert to fraction form
    840,021.30/1,259,704.35 = 366,383.70/x
  3. Step 3: Cross multiply
    840,021.30x = 1,259,704.35 × 366,383.70
  4. Step 4: Simplify right side
    840,021.30x = 461,535,140,659.10
  5. Step 5: Solve for x
    x = 461,535,140,659.10/840,021.30
  6. Step 6: Final answer
    x = 549,432.66

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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.