Home / 634,685.80-951,431.26-213,667.56

Finding the Fourth Proportional to 634,685.80, 951,431.26 and 213,667.56

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Solution

The fourth proportional to 634,685.80, 951,431.26 and 213,667.56 is: 320,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,685.80 : 951,431.26 = 213,667.56 : x
  2. Step 2: Convert to fraction form
    634,685.80/951,431.26 = 213,667.56/x
  3. Step 3: Cross multiply
    634,685.80x = 951,431.26 × 213,667.56
  4. Step 4: Simplify right side
    634,685.80x = 203,289,995,831.93
  5. Step 5: Solve for x
    x = 203,289,995,831.93/634,685.80
  6. Step 6: Final answer
    x = 320,300.21

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1.5x scale

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.