Home / 885,015.57-1,221,301.22-540,850.15

Finding the Fourth Proportional to 885,015.57, 1,221,301.22 and 540,850.15

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Solution

The fourth proportional to 885,015.57, 1,221,301.22 and 540,850.15 is: 746,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,015.57 : 1,221,301.22 = 540,850.15 : x
  2. Step 2: Convert to fraction form
    885,015.57/1,221,301.22 = 540,850.15/x
  3. Step 3: Cross multiply
    885,015.57x = 1,221,301.22 × 540,850.15
  4. Step 4: Simplify right side
    885,015.57x = 660,540,948,032.18
  5. Step 5: Solve for x
    x = 660,540,948,032.18/885,015.57
  6. Step 6: Final answer
    x = 746,360.82

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Double scale
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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.