Home / 827,042.20-1,240,736.10-266,133.40

Finding the Fourth Proportional to 827,042.20, 1,240,736.10 and 266,133.40

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Solution

The fourth proportional to 827,042.20, 1,240,736.10 and 266,133.40 is: 399,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,042.20 : 1,240,736.10 = 266,133.40 : x
  2. Step 2: Convert to fraction form
    827,042.20/1,240,736.10 = 266,133.40/x
  3. Step 3: Cross multiply
    827,042.20x = 1,240,736.10 × 266,133.40
  4. Step 4: Simplify right side
    827,042.20x = 330,201,316,795.74
  5. Step 5: Solve for x
    x = 330,201,316,795.74/827,042.20
  6. Step 6: Final answer
    x = 399,255.71

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Similar ratio
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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.