Home / 650,002.36-896,976.66-378,078.04

Finding the Fourth Proportional to 650,002.36, 896,976.66 and 378,078.04

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Solution

The fourth proportional to 650,002.36, 896,976.66 and 378,078.04 is: 521,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,002.36 : 896,976.66 = 378,078.04 : x
  2. Step 2: Convert to fraction form
    650,002.36/896,976.66 = 378,078.04/x
  3. Step 3: Cross multiply
    650,002.36x = 896,976.66 × 378,078.04
  4. Step 4: Simplify right side
    650,002.36x = 339,127,177,538.55
  5. Step 5: Solve for x
    x = 339,127,177,538.55/650,002.36
  6. Step 6: Final answer
    x = 521,732.23

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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.