Home / 901,569.22-1,244,193.70-493,709.78

Finding the Fourth Proportional to 901,569.22, 1,244,193.70 and 493,709.78

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Solution

The fourth proportional to 901,569.22, 1,244,193.70 and 493,709.78 is: 681,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,569.22 : 1,244,193.70 = 493,709.78 : x
  2. Step 2: Convert to fraction form
    901,569.22/1,244,193.70 = 493,709.78/x
  3. Step 3: Cross multiply
    901,569.22x = 1,244,193.70 × 493,709.78
  4. Step 4: Simplify right side
    901,569.22x = 614,270,599,664.87
  5. Step 5: Solve for x
    x = 614,270,599,664.87/901,569.22
  6. Step 6: Final answer
    x = 681,334.93

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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.