Home / 954,713.86-1,431,869.09-280,611.81

Finding the Fourth Proportional to 954,713.86, 1,431,869.09 and 280,611.81

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Solution

The fourth proportional to 954,713.86, 1,431,869.09 and 280,611.81 is: 420,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,713.86 : 1,431,869.09 = 280,611.81 : x
  2. Step 2: Convert to fraction form
    954,713.86/1,431,869.09 = 280,611.81/x
  3. Step 3: Cross multiply
    954,713.86x = 1,431,869.09 × 280,611.81
  4. Step 4: Simplify right side
    954,713.86x = 401,799,377,027.95
  5. Step 5: Solve for x
    x = 401,799,377,027.95/954,713.86
  6. Step 6: Final answer
    x = 420,858.43

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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.