Home / 831,974.40-1,147,816.80-545,653.44

Finding the Fourth Proportional to 831,974.40, 1,147,816.80 and 545,653.44

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Solution

The fourth proportional to 831,974.40, 1,147,816.80 and 545,653.44 is: 752,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,974.40 : 1,147,816.80 = 545,653.44 : x
  2. Step 2: Convert to fraction form
    831,974.40/1,147,816.80 = 545,653.44/x
  3. Step 3: Cross multiply
    831,974.40x = 1,147,816.80 × 545,653.44
  4. Step 4: Simplify right side
    831,974.40x = 626,310,185,409.79
  5. Step 5: Solve for x
    x = 626,310,185,409.79/831,974.40
  6. Step 6: Final answer
    x = 752,799.83

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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.