Home / 901,014.88-1,243,383.94-493,108.60

Finding the Fourth Proportional to 901,014.88, 1,243,383.94 and 493,108.60

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Solution

The fourth proportional to 901,014.88, 1,243,383.94 and 493,108.60 is: 680,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,014.88 : 1,243,383.94 = 493,108.60 : x
  2. Step 2: Convert to fraction form
    901,014.88/1,243,383.94 = 493,108.60/x
  3. Step 3: Cross multiply
    901,014.88x = 1,243,383.94 × 493,108.60
  4. Step 4: Simplify right side
    901,014.88x = 613,123,313,915.88
  5. Step 5: Solve for x
    x = 613,123,313,915.88/901,014.88
  6. Step 6: Final answer
    x = 680,480.79

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Double scale
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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.