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Finding the Fourth Proportional to 634,708.46, 952,065.94 and 213,987.98

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Solution

The fourth proportional to 634,708.46, 952,065.94 and 213,987.98 is: 320,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,708.46 : 952,065.94 = 213,987.98 : x
  2. Step 2: Convert to fraction form
    634,708.46/952,065.94 = 213,987.98/x
  3. Step 3: Cross multiply
    634,708.46x = 952,065.94 × 213,987.98
  4. Step 4: Simplify right side
    634,708.46x = 203,730,667,327.40
  5. Step 5: Solve for x
    x = 203,730,667,327.40/634,708.46
  6. Step 6: Final answer
    x = 320,983.07

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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.