Home / 828,933.80-1,243,400.70-629,868.20

Finding the Fourth Proportional to 828,933.80, 1,243,400.70 and 629,868.20

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Solution

The fourth proportional to 828,933.80, 1,243,400.70 and 629,868.20 is: 944,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,933.80 : 1,243,400.70 = 629,868.20 : x
  2. Step 2: Convert to fraction form
    828,933.80/1,243,400.70 = 629,868.20/x
  3. Step 3: Cross multiply
    828,933.80x = 1,243,400.70 × 629,868.20
  4. Step 4: Simplify right side
    828,933.80x = 783,178,560,787.74
  5. Step 5: Solve for x
    x = 783,178,560,787.74/828,933.80
  6. Step 6: Final answer
    x = 944,802.30

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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.