Home / 544,433.04-816,815.70-278,380.44

Finding the Fourth Proportional to 544,433.04, 816,815.70 and 278,380.44

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Solution

The fourth proportional to 544,433.04, 816,815.70 and 278,380.44 is: 417,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,433.04 : 816,815.70 = 278,380.44 : x
  2. Step 2: Convert to fraction form
    544,433.04/816,815.70 = 278,380.44/x
  3. Step 3: Cross multiply
    544,433.04x = 816,815.70 × 278,380.44
  4. Step 4: Simplify right side
    544,433.04x = 227,385,513,964.91
  5. Step 5: Solve for x
    x = 227,385,513,964.91/544,433.04
  6. Step 6: Final answer
    x = 417,655.61

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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.