Home / 891,099.86-1,336,116.02-283,625.78

Finding the Fourth Proportional to 891,099.86, 1,336,116.02 and 283,625.78

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Solution

The fourth proportional to 891,099.86, 1,336,116.02 and 283,625.78 is: 425,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,099.86 : 1,336,116.02 = 283,625.78 : x
  2. Step 2: Convert to fraction form
    891,099.86/1,336,116.02 = 283,625.78/x
  3. Step 3: Cross multiply
    891,099.86x = 1,336,116.02 × 283,625.78
  4. Step 4: Simplify right side
    891,099.86x = 378,956,940,244.29
  5. Step 5: Solve for x
    x = 378,956,940,244.29/891,099.86
  6. Step 6: Final answer
    x = 425,268.77

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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.