Home / 872,865.56-1,204,456.56-490,884.14

Finding the Fourth Proportional to 872,865.56, 1,204,456.56 and 490,884.14

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Solution

The fourth proportional to 872,865.56, 1,204,456.56 and 490,884.14 is: 677,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,865.56 : 1,204,456.56 = 490,884.14 : x
  2. Step 2: Convert to fraction form
    872,865.56/1,204,456.56 = 490,884.14/x
  3. Step 3: Cross multiply
    872,865.56x = 1,204,456.56 × 490,884.14
  4. Step 4: Simplify right side
    872,865.56x = 591,248,622,622.96
  5. Step 5: Solve for x
    x = 591,248,622,622.96/872,865.56
  6. Step 6: Final answer
    x = 677,365.05

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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.