Home / 1,005,664.90-1,508,705.17-331,787.33

Finding the Fourth Proportional to 1,005,664.90, 1,508,705.17 and 331,787.33

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Solution

The fourth proportional to 1,005,664.90, 1,508,705.17 and 331,787.33 is: 497,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,664.90 : 1,508,705.17 = 331,787.33 : x
  2. Step 2: Convert to fraction form
    1,005,664.90/1,508,705.17 = 331,787.33/x
  3. Step 3: Cross multiply
    1,005,664.90x = 1,508,705.17 × 331,787.33
  4. Step 4: Simplify right side
    1,005,664.90x = 500,569,260,111.50
  5. Step 5: Solve for x
    x = 500,569,260,111.50/1,005,664.90
  6. Step 6: Final answer
    x = 497,749.56

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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.