Home / 872,868.96-1,204,418.34-490,872.96

Finding the Fourth Proportional to 872,868.96, 1,204,418.34 and 490,872.96

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Solution

The fourth proportional to 872,868.96, 1,204,418.34 and 490,872.96 is: 677,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,868.96 : 1,204,418.34 = 490,872.96 : x
  2. Step 2: Convert to fraction form
    872,868.96/1,204,418.34 = 490,872.96/x
  3. Step 3: Cross multiply
    872,868.96x = 1,204,418.34 × 490,872.96
  4. Step 4: Simplify right side
    872,868.96x = 591,216,395,634.09
  5. Step 5: Solve for x
    x = 591,216,395,634.09/872,868.96
  6. Step 6: Final answer
    x = 677,325.49

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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.