Home / 890,261.34-1,228,620.92-502,942.43

Finding the Fourth Proportional to 890,261.34, 1,228,620.92 and 502,942.43

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Solution

The fourth proportional to 890,261.34, 1,228,620.92 and 502,942.43 is: 694,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,261.34 : 1,228,620.92 = 502,942.43 : x
  2. Step 2: Convert to fraction form
    890,261.34/1,228,620.92 = 502,942.43/x
  3. Step 3: Cross multiply
    890,261.34x = 1,228,620.92 × 502,942.43
  4. Step 4: Simplify right side
    890,261.34x = 617,925,582,395.82
  5. Step 5: Solve for x
    x = 617,925,582,395.82/890,261.34
  6. Step 6: Final answer
    x = 694,094.59

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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.