Home / 840,896.85-1,260,595.35-308,293.77

Finding the Fourth Proportional to 840,896.85, 1,260,595.35 and 308,293.77

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Solution

The fourth proportional to 840,896.85, 1,260,595.35 and 308,293.77 is: 462,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,896.85 : 1,260,595.35 = 308,293.77 : x
  2. Step 2: Convert to fraction form
    840,896.85/1,260,595.35 = 308,293.77/x
  3. Step 3: Cross multiply
    840,896.85x = 1,260,595.35 × 308,293.77
  4. Step 4: Simplify right side
    840,896.85x = 388,633,692,895.97
  5. Step 5: Solve for x
    x = 388,633,692,895.97/840,896.85
  6. Step 6: Final answer
    x = 462,165.71

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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.