Home / 872,868.33-1,204,550.42-490,886.91

Finding the Fourth Proportional to 872,868.33, 1,204,550.42 and 490,886.91

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Solution

The fourth proportional to 872,868.33, 1,204,550.42 and 490,886.91 is: 677,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,868.33 : 1,204,550.42 = 490,886.91 : x
  2. Step 2: Convert to fraction form
    872,868.33/1,204,550.42 = 490,886.91/x
  3. Step 3: Cross multiply
    872,868.33x = 1,204,550.42 × 490,886.91
  4. Step 4: Simplify right side
    872,868.33x = 591,298,033,613.00
  5. Step 5: Solve for x
    x = 591,298,033,613.00/872,868.33
  6. Step 6: Final answer
    x = 677,419.51

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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.