Home / 802,912.03-1,108,033.68-440,314.21

Finding the Fourth Proportional to 802,912.03, 1,108,033.68 and 440,314.21

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Solution

The fourth proportional to 802,912.03, 1,108,033.68 and 440,314.21 is: 607,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,912.03 : 1,108,033.68 = 440,314.21 : x
  2. Step 2: Convert to fraction form
    802,912.03/1,108,033.68 = 440,314.21/x
  3. Step 3: Cross multiply
    802,912.03x = 1,108,033.68 × 440,314.21
  4. Step 4: Simplify right side
    802,912.03x = 487,882,974,462.59
  5. Step 5: Solve for x
    x = 487,882,974,462.59/802,912.03
  6. Step 6: Final answer
    x = 607,641.88

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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.