Home / 756,691.73-1,043,643.85-484,784.79

Finding the Fourth Proportional to 756,691.73, 1,043,643.85 and 484,784.79

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Solution

The fourth proportional to 756,691.73, 1,043,643.85 and 484,784.79 is: 668,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,691.73 : 1,043,643.85 = 484,784.79 : x
  2. Step 2: Convert to fraction form
    756,691.73/1,043,643.85 = 484,784.79/x
  3. Step 3: Cross multiply
    756,691.73x = 1,043,643.85 × 484,784.79
  4. Step 4: Simplify right side
    756,691.73x = 505,942,664,657.04
  5. Step 5: Solve for x
    x = 505,942,664,657.04/756,691.73
  6. Step 6: Final answer
    x = 668,624.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.