Home / 872,867.33-1,204,549.04-490,885.91

Finding the Fourth Proportional to 872,867.33, 1,204,549.04 and 490,885.91

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Solution

The fourth proportional to 872,867.33, 1,204,549.04 and 490,885.91 is: 677,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,867.33 : 1,204,549.04 = 490,885.91 : x
  2. Step 2: Convert to fraction form
    872,867.33/1,204,549.04 = 490,885.91/x
  3. Step 3: Cross multiply
    872,867.33x = 1,204,549.04 × 490,885.91
  4. Step 4: Simplify right side
    872,867.33x = 591,296,151,640.03
  5. Step 5: Solve for x
    x = 591,296,151,640.03/872,867.33
  6. Step 6: Final answer
    x = 677,418.13

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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.