Home / 668,812.04-1,003,007.18-219,428.18

Finding the Fourth Proportional to 668,812.04, 1,003,007.18 and 219,428.18

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Solution

The fourth proportional to 668,812.04, 1,003,007.18 and 219,428.18 is: 329,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,812.04 : 1,003,007.18 = 219,428.18 : x
  2. Step 2: Convert to fraction form
    668,812.04/1,003,007.18 = 219,428.18/x
  3. Step 3: Cross multiply
    668,812.04x = 1,003,007.18 × 219,428.18
  4. Step 4: Simplify right side
    668,812.04x = 220,088,040,034.33
  5. Step 5: Solve for x
    x = 220,088,040,034.33/668,812.04
  6. Step 6: Final answer
    x = 329,073.08

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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.