Home / 827,208.60-1,240,665.30-220,000.38

Finding the Fourth Proportional to 827,208.60, 1,240,665.30 and 220,000.38

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Solution

The fourth proportional to 827,208.60, 1,240,665.30 and 220,000.38 is: 329,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,208.60 : 1,240,665.30 = 220,000.38 : x
  2. Step 2: Convert to fraction form
    827,208.60/1,240,665.30 = 220,000.38/x
  3. Step 3: Cross multiply
    827,208.60x = 1,240,665.30 × 220,000.38
  4. Step 4: Simplify right side
    827,208.60x = 272,946,837,452.81
  5. Step 5: Solve for x
    x = 272,946,837,452.81/827,208.60
  6. Step 6: Final answer
    x = 329,961.32

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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.