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Finding the Fourth Proportional to 587,099.12, 810,196.72 and 332,450.24

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Solution

The fourth proportional to 587,099.12, 810,196.72 and 332,450.24 is: 458,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,099.12 : 810,196.72 = 332,450.24 : x
  2. Step 2: Convert to fraction form
    587,099.12/810,196.72 = 332,450.24/x
  3. Step 3: Cross multiply
    587,099.12x = 810,196.72 × 332,450.24
  4. Step 4: Simplify right side
    587,099.12x = 269,350,094,011.21
  5. Step 5: Solve for x
    x = 269,350,094,011.21/587,099.12
  6. Step 6: Final answer
    x = 458,781.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.