Home / 802,615.91-1,204,109.15-270,123.93

Finding the Fourth Proportional to 802,615.91, 1,204,109.15 and 270,123.93

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Solution

The fourth proportional to 802,615.91, 1,204,109.15 and 270,123.93 is: 405,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,615.91 : 1,204,109.15 = 270,123.93 : x
  2. Step 2: Convert to fraction form
    802,615.91/1,204,109.15 = 270,123.93/x
  3. Step 3: Cross multiply
    802,615.91x = 1,204,109.15 × 270,123.93
  4. Step 4: Simplify right side
    802,615.91x = 325,258,694,396.34
  5. Step 5: Solve for x
    x = 325,258,694,396.34/802,615.91
  6. Step 6: Final answer
    x = 405,248.25

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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.