Home / 959,846.20-1,439,924.82-398,911.48

Finding the Fourth Proportional to 959,846.20, 1,439,924.82 and 398,911.48

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Solution

The fourth proportional to 959,846.20, 1,439,924.82 and 398,911.48 is: 598,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,846.20 : 1,439,924.82 = 398,911.48 : x
  2. Step 2: Convert to fraction form
    959,846.20/1,439,924.82 = 398,911.48/x
  3. Step 3: Cross multiply
    959,846.20x = 1,439,924.82 × 398,911.48
  4. Step 4: Simplify right side
    959,846.20x = 574,402,541,034.93
  5. Step 5: Solve for x
    x = 574,402,541,034.93/959,846.20
  6. Step 6: Final answer
    x = 598,431.85

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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.