Home / 687,625.67-1,031,204.93-238,241.66

Finding the Fourth Proportional to 687,625.67, 1,031,204.93 and 238,241.66

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Solution

The fourth proportional to 687,625.67, 1,031,204.93 and 238,241.66 is: 357,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,625.67 : 1,031,204.93 = 238,241.66 : x
  2. Step 2: Convert to fraction form
    687,625.67/1,031,204.93 = 238,241.66/x
  3. Step 3: Cross multiply
    687,625.67x = 1,031,204.93 × 238,241.66
  4. Step 4: Simplify right side
    687,625.67x = 245,675,967,976.15
  5. Step 5: Solve for x
    x = 245,675,967,976.15/687,625.67
  6. Step 6: Final answer
    x = 357,281.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.