Home / 693,364.05-1,040,024.21-410,989.55

Finding the Fourth Proportional to 693,364.05, 1,040,024.21 and 410,989.55

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Solution

The fourth proportional to 693,364.05, 1,040,024.21 and 410,989.55 is: 616,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,364.05 : 1,040,024.21 = 410,989.55 : x
  2. Step 2: Convert to fraction form
    693,364.05/1,040,024.21 = 410,989.55/x
  3. Step 3: Cross multiply
    693,364.05x = 1,040,024.21 × 410,989.55
  4. Step 4: Simplify right side
    693,364.05x = 427,439,074,801.94
  5. Step 5: Solve for x
    x = 427,439,074,801.94/693,364.05
  6. Step 6: Final answer
    x = 616,471.35

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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.