Home / 866,647.60-1,195,972.78-484,674.38

Finding the Fourth Proportional to 866,647.60, 1,195,972.78 and 484,674.38

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Solution

The fourth proportional to 866,647.60, 1,195,972.78 and 484,674.38 is: 668,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,647.60 : 1,195,972.78 = 484,674.38 : x
  2. Step 2: Convert to fraction form
    866,647.60/1,195,972.78 = 484,674.38/x
  3. Step 3: Cross multiply
    866,647.60x = 1,195,972.78 × 484,674.38
  4. Step 4: Simplify right side
    866,647.60x = 579,657,365,643.38
  5. Step 5: Solve for x
    x = 579,657,365,643.38/866,647.60
  6. Step 6: Final answer
    x = 668,850.14

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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.