Home / 814,247.55-1,123,713.03-470,147.00

Finding the Fourth Proportional to 814,247.55, 1,123,713.03 and 470,147.00

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Solution

The fourth proportional to 814,247.55, 1,123,713.03 and 470,147.00 is: 648,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,247.55 : 1,123,713.03 = 470,147.00 : x
  2. Step 2: Convert to fraction form
    814,247.55/1,123,713.03 = 470,147.00/x
  3. Step 3: Cross multiply
    814,247.55x = 1,123,713.03 × 470,147.00
  4. Step 4: Simplify right side
    814,247.55x = 528,310,304,296.85
  5. Step 5: Solve for x
    x = 528,310,304,296.85/814,247.55
  6. Step 6: Final answer
    x = 648,832.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.