Home / 902,086.70-1,244,407.64-557,812.58

Finding the Fourth Proportional to 902,086.70, 1,244,407.64 and 557,812.58

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Solution

The fourth proportional to 902,086.70, 1,244,407.64 and 557,812.58 is: 769,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,086.70 : 1,244,407.64 = 557,812.58 : x
  2. Step 2: Convert to fraction form
    902,086.70/1,244,407.64 = 557,812.58/x
  3. Step 3: Cross multiply
    902,086.70x = 1,244,407.64 × 557,812.58
  4. Step 4: Simplify right side
    902,086.70x = 694,146,227,229.01
  5. Step 5: Solve for x
    x = 694,146,227,229.01/902,086.70
  6. Step 6: Final answer
    x = 769,489.49

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1.5x scale

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.