Home / 872,887.23-1,204,572.75-490,914

Finding the Fourth Proportional to 872,887.23, 1,204,572.75 and 490,914

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Solution

The fourth proportional to 872,887.23, 1,204,572.75 and 490,914 is: 677,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,887.23 : 1,204,572.75 = 490,914 : x
  2. Step 2: Convert to fraction form
    872,887.23/1,204,572.75 = 490,914/x
  3. Step 3: Cross multiply
    872,887.23x = 1,204,572.75 × 490,914
  4. Step 4: Simplify right side
    872,887.23x = 591,341,626,993.50
  5. Step 5: Solve for x
    x = 591,341,626,993.50/872,887.23
  6. Step 6: Final answer
    x = 677,454.78

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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.