Home / 827,058.55-1,240,803.83-266,106.55

Finding the Fourth Proportional to 827,058.55, 1,240,803.83 and 266,106.55

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Solution

The fourth proportional to 827,058.55, 1,240,803.83 and 266,106.55 is: 399,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,058.55 : 1,240,803.83 = 266,106.55 : x
  2. Step 2: Convert to fraction form
    827,058.55/1,240,803.83 = 266,106.55/x
  3. Step 3: Cross multiply
    827,058.55x = 1,240,803.83 × 266,106.55
  4. Step 4: Simplify right side
    827,058.55x = 330,186,025,097.55
  5. Step 5: Solve for x
    x = 330,186,025,097.55/827,058.55
  6. Step 6: Final answer
    x = 399,229.32

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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.