Home / 803,405.64-1,205,103.24-204,361.68

Finding the Fourth Proportional to 803,405.64, 1,205,103.24 and 204,361.68

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Solution

The fourth proportional to 803,405.64, 1,205,103.24 and 204,361.68 is: 306,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,405.64 : 1,205,103.24 = 204,361.68 : x
  2. Step 2: Convert to fraction form
    803,405.64/1,205,103.24 = 204,361.68/x
  3. Step 3: Cross multiply
    803,405.64x = 1,205,103.24 × 204,361.68
  4. Step 4: Simplify right side
    803,405.64x = 246,276,922,699.84
  5. Step 5: Solve for x
    x = 246,276,922,699.84/803,405.64
  6. Step 6: Final answer
    x = 306,541.19

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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.