Home / 871,958.50-1,203,328.80-479,471.07

Finding the Fourth Proportional to 871,958.50, 1,203,328.80 and 479,471.07

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Solution

The fourth proportional to 871,958.50, 1,203,328.80 and 479,471.07 is: 661,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,958.50 : 1,203,328.80 = 479,471.07 : x
  2. Step 2: Convert to fraction form
    871,958.50/1,203,328.80 = 479,471.07/x
  3. Step 3: Cross multiply
    871,958.50x = 1,203,328.80 × 479,471.07
  4. Step 4: Simplify right side
    871,958.50x = 576,961,348,763.05
  5. Step 5: Solve for x
    x = 576,961,348,763.05/871,958.50
  6. Step 6: Final answer
    x = 661,684.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.