Home / 679,904.82-938,291.67-374,003.94

Finding the Fourth Proportional to 679,904.82, 938,291.67 and 374,003.94

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Solution

The fourth proportional to 679,904.82, 938,291.67 and 374,003.94 is: 516,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,904.82 : 938,291.67 = 374,003.94 : x
  2. Step 2: Convert to fraction form
    679,904.82/938,291.67 = 374,003.94/x
  3. Step 3: Cross multiply
    679,904.82x = 938,291.67 × 374,003.94
  4. Step 4: Simplify right side
    679,904.82x = 350,924,781,449.18
  5. Step 5: Solve for x
    x = 350,924,781,449.18/679,904.82
  6. Step 6: Final answer
    x = 516,138.10

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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.