Home / 681,828.05-940,878.45-375,907.01

Finding the Fourth Proportional to 681,828.05, 940,878.45 and 375,907.01

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Solution

The fourth proportional to 681,828.05, 940,878.45 and 375,907.01 is: 518,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,828.05 : 940,878.45 = 375,907.01 : x
  2. Step 2: Convert to fraction form
    681,828.05/940,878.45 = 375,907.01/x
  3. Step 3: Cross multiply
    681,828.05x = 940,878.45 × 375,907.01
  4. Step 4: Simplify right side
    681,828.05x = 353,682,800,208.54
  5. Step 5: Solve for x
    x = 353,682,800,208.54/681,828.05
  6. Step 6: Final answer
    x = 518,727.26

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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.