Home / 827,158.80-1,240,446.60-294,697.20

Finding the Fourth Proportional to 827,158.80, 1,240,446.60 and 294,697.20

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Solution

The fourth proportional to 827,158.80, 1,240,446.60 and 294,697.20 is: 441,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,158.80 : 1,240,446.60 = 294,697.20 : x
  2. Step 2: Convert to fraction form
    827,158.80/1,240,446.60 = 294,697.20/x
  3. Step 3: Cross multiply
    827,158.80x = 1,240,446.60 × 294,697.20
  4. Step 4: Simplify right side
    827,158.80x = 365,556,139,769.52
  5. Step 5: Solve for x
    x = 365,556,139,769.52/827,158.80
  6. Step 6: Final answer
    x = 441,941.91

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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.