Home / 827,423.20-1,241,041.85-228,469.51

Finding the Fourth Proportional to 827,423.20, 1,241,041.85 and 228,469.51

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Solution

The fourth proportional to 827,423.20, 1,241,041.85 and 228,469.51 is: 342,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,423.20 : 1,241,041.85 = 228,469.51 : x
  2. Step 2: Convert to fraction form
    827,423.20/1,241,041.85 = 228,469.51/x
  3. Step 3: Cross multiply
    827,423.20x = 1,241,041.85 × 228,469.51
  4. Step 4: Simplify right side
    827,423.20x = 283,540,225,909.85
  5. Step 5: Solve for x
    x = 283,540,225,909.85/827,423.20
  6. Step 6: Final answer
    x = 342,678.60

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1.5x scale

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.