Home / 901,445.57-1,243,947.63-493,469.28

Finding the Fourth Proportional to 901,445.57, 1,243,947.63 and 493,469.28

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Solution

The fourth proportional to 901,445.57, 1,243,947.63 and 493,469.28 is: 680,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,445.57 : 1,243,947.63 = 493,469.28 : x
  2. Step 2: Convert to fraction form
    901,445.57/1,243,947.63 = 493,469.28/x
  3. Step 3: Cross multiply
    901,445.57x = 1,243,947.63 × 493,469.28
  4. Step 4: Simplify right side
    901,445.57x = 613,849,940,408.55
  5. Step 5: Solve for x
    x = 613,849,940,408.55/901,445.57
  6. Step 6: Final answer
    x = 680,961.73

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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.