Home / 890,030.97-1,227,940.60-502,789.82

Finding the Fourth Proportional to 890,030.97, 1,227,940.60 and 502,789.82

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Solution

The fourth proportional to 890,030.97, 1,227,940.60 and 502,789.82 is: 693,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,030.97 : 1,227,940.60 = 502,789.82 : x
  2. Step 2: Convert to fraction form
    890,030.97/1,227,940.60 = 502,789.82/x
  3. Step 3: Cross multiply
    890,030.97x = 1,227,940.60 × 502,789.82
  4. Step 4: Simplify right side
    890,030.97x = 617,396,025,848.01
  5. Step 5: Solve for x
    x = 617,396,025,848.01/890,030.97
  6. Step 6: Final answer
    x = 693,679.26

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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.