Home / 634,720.34-952,083.75-213,999.86

Finding the Fourth Proportional to 634,720.34, 952,083.75 and 213,999.86

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Solution

The fourth proportional to 634,720.34, 952,083.75 and 213,999.86 is: 321,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,720.34 : 952,083.75 = 213,999.86 : x
  2. Step 2: Convert to fraction form
    634,720.34/952,083.75 = 213,999.86/x
  3. Step 3: Cross multiply
    634,720.34x = 952,083.75 × 213,999.86
  4. Step 4: Simplify right side
    634,720.34x = 203,745,784,447.86
  5. Step 5: Solve for x
    x = 203,745,784,447.86/634,720.34
  6. Step 6: Final answer
    x = 321,000.88

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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.