Home / 667,336.80-1,001,060.64-218,048.16

Finding the Fourth Proportional to 667,336.80, 1,001,060.64 and 218,048.16

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Solution

The fourth proportional to 667,336.80, 1,001,060.64 and 218,048.16 is: 327,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,336.80 : 1,001,060.64 = 218,048.16 : x
  2. Step 2: Convert to fraction form
    667,336.80/1,001,060.64 = 218,048.16/x
  3. Step 3: Cross multiply
    667,336.80x = 1,001,060.64 × 218,048.16
  4. Step 4: Simplify right side
    667,336.80x = 218,279,430,600.42
  5. Step 5: Solve for x
    x = 218,279,430,600.42/667,336.80
  6. Step 6: Final answer
    x = 327,090.35

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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.