Home / 901,599.50-1,244,209.20-488,140.40

Finding the Fourth Proportional to 901,599.50, 1,244,209.20 and 488,140.40

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Solution

The fourth proportional to 901,599.50, 1,244,209.20 and 488,140.40 is: 673,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,599.50 : 1,244,209.20 = 488,140.40 : x
  2. Step 2: Convert to fraction form
    901,599.50/1,244,209.20 = 488,140.40/x
  3. Step 3: Cross multiply
    901,599.50x = 1,244,209.20 × 488,140.40
  4. Step 4: Simplify right side
    901,599.50x = 607,348,776,571.68
  5. Step 5: Solve for x
    x = 607,348,776,571.68/901,599.50
  6. Step 6: Final answer
    x = 673,634.78

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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.