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Finding the Fourth Proportional to 611,683.08, 844,429.46 and 382,367.93

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Solution

The fourth proportional to 611,683.08, 844,429.46 and 382,367.93 is: 527,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,683.08 : 844,429.46 = 382,367.93 : x
  2. Step 2: Convert to fraction form
    611,683.08/844,429.46 = 382,367.93/x
  3. Step 3: Cross multiply
    611,683.08x = 844,429.46 × 382,367.93
  4. Step 4: Simplify right side
    611,683.08x = 322,882,738,517.23
  5. Step 5: Solve for x
    x = 322,882,738,517.23/611,683.08
  6. Step 6: Final answer
    x = 527,859.52

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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.