Home / 834,091.61-1,249,709.31-455,278.37

Finding the Fourth Proportional to 834,091.61, 1,249,709.31 and 455,278.37

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Solution

The fourth proportional to 834,091.61, 1,249,709.31 and 455,278.37 is: 682,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,091.61 : 1,249,709.31 = 455,278.37 : x
  2. Step 2: Convert to fraction form
    834,091.61/1,249,709.31 = 455,278.37/x
  3. Step 3: Cross multiply
    834,091.61x = 1,249,709.31 × 455,278.37
  4. Step 4: Simplify right side
    834,091.61x = 568,965,611,382.08
  5. Step 5: Solve for x
    x = 568,965,611,382.08/834,091.61
  6. Step 6: Final answer
    x = 682,138.04

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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.