Home / 872,409.72-1,202,591.12-613,581.35

Finding the Fourth Proportional to 872,409.72, 1,202,591.12 and 613,581.35

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Solution

The fourth proportional to 872,409.72, 1,202,591.12 and 613,581.35 is: 845,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,409.72 : 1,202,591.12 = 613,581.35 : x
  2. Step 2: Convert to fraction form
    872,409.72/1,202,591.12 = 613,581.35/x
  3. Step 3: Cross multiply
    872,409.72x = 1,202,591.12 × 613,581.35
  4. Step 4: Simplify right side
    872,409.72x = 737,887,476,127.68
  5. Step 5: Solve for x
    x = 737,887,476,127.68/872,409.72
  6. Step 6: Final answer
    x = 845,803.82

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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.