Home / 378,440.07-567,660.10-259,751.58

Finding the Fourth Proportional to 378,440.07, 567,660.10 and 259,751.58

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Solution

The fourth proportional to 378,440.07, 567,660.10 and 259,751.58 is: 389,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,440.07 : 567,660.10 = 259,751.58 : x
  2. Step 2: Convert to fraction form
    378,440.07/567,660.10 = 259,751.58/x
  3. Step 3: Cross multiply
    378,440.07x = 567,660.10 × 259,751.58
  4. Step 4: Simplify right side
    378,440.07x = 147,450,607,877.96
  5. Step 5: Solve for x
    x = 147,450,607,877.96/378,440.07
  6. Step 6: Final answer
    x = 389,627.37

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1.5x scale

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.