Home / 821,100.06-1,133,107.38-458,530.29

Finding the Fourth Proportional to 821,100.06, 1,133,107.38 and 458,530.29

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Solution

The fourth proportional to 821,100.06, 1,133,107.38 and 458,530.29 is: 632,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,100.06 : 1,133,107.38 = 458,530.29 : x
  2. Step 2: Convert to fraction form
    821,100.06/1,133,107.38 = 458,530.29/x
  3. Step 3: Cross multiply
    821,100.06x = 1,133,107.38 × 458,530.29
  4. Step 4: Simplify right side
    821,100.06x = 519,564,055,552.54
  5. Step 5: Solve for x
    x = 519,564,055,552.54/821,100.06
  6. Step 6: Final answer
    x = 632,765.82

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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.