Home / 839,715.93-1,259,329.87-327,267.02

Finding the Fourth Proportional to 839,715.93, 1,259,329.87 and 327,267.02

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Solution

The fourth proportional to 839,715.93, 1,259,329.87 and 327,267.02 is: 490,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,715.93 : 1,259,329.87 = 327,267.02 : x
  2. Step 2: Convert to fraction form
    839,715.93/1,259,329.87 = 327,267.02/x
  3. Step 3: Cross multiply
    839,715.93x = 1,259,329.87 × 327,267.02
  4. Step 4: Simplify right side
    839,715.93x = 412,137,125,818.90
  5. Step 5: Solve for x
    x = 412,137,125,818.90/839,715.93
  6. Step 6: Final answer
    x = 490,805.42

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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.