Home / 681,017.22-939,795.21-375,087.51

Finding the Fourth Proportional to 681,017.22, 939,795.21 and 375,087.51

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Solution

The fourth proportional to 681,017.22, 939,795.21 and 375,087.51 is: 517,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,017.22 : 939,795.21 = 375,087.51 : x
  2. Step 2: Convert to fraction form
    681,017.22/939,795.21 = 375,087.51/x
  3. Step 3: Cross multiply
    681,017.22x = 939,795.21 × 375,087.51
  4. Step 4: Simplify right side
    681,017.22x = 352,505,445,228.83
  5. Step 5: Solve for x
    x = 352,505,445,228.83/681,017.22
  6. Step 6: Final answer
    x = 517,616.05

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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.