Home / 526,632.79-789,971.07-171,649.90

Finding the Fourth Proportional to 526,632.79, 789,971.07 and 171,649.90

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Solution

The fourth proportional to 526,632.79, 789,971.07 and 171,649.90 is: 257,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,632.79 : 789,971.07 = 171,649.90 : x
  2. Step 2: Convert to fraction form
    526,632.79/789,971.07 = 171,649.90/x
  3. Step 3: Cross multiply
    526,632.79x = 789,971.07 × 171,649.90
  4. Step 4: Simplify right side
    526,632.79x = 135,598,455,168.39
  5. Step 5: Solve for x
    x = 135,598,455,168.39/526,632.79
  6. Step 6: Final answer
    x = 257,481.98

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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.