Home / 433,209.60-649,717.20-284,493.60

Finding the Fourth Proportional to 433,209.60, 649,717.20 and 284,493.60

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Solution

The fourth proportional to 433,209.60, 649,717.20 and 284,493.60 is: 426,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,209.60 : 649,717.20 = 284,493.60 : x
  2. Step 2: Convert to fraction form
    433,209.60/649,717.20 = 284,493.60/x
  3. Step 3: Cross multiply
    433,209.60x = 649,717.20 × 284,493.60
  4. Step 4: Simplify right side
    433,209.60x = 184,840,385,209.92
  5. Step 5: Solve for x
    x = 184,840,385,209.92/433,209.60
  6. Step 6: Final answer
    x = 426,676.57

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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.