Home / 958,584.13-1,438,073.03-389,963.79

Finding the Fourth Proportional to 958,584.13, 1,438,073.03 and 389,963.79

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Solution

The fourth proportional to 958,584.13, 1,438,073.03 and 389,963.79 is: 585,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,584.13 : 1,438,073.03 = 389,963.79 : x
  2. Step 2: Convert to fraction form
    958,584.13/1,438,073.03 = 389,963.79/x
  3. Step 3: Cross multiply
    958,584.13x = 1,438,073.03 × 389,963.79
  4. Step 4: Simplify right side
    958,584.13x = 560,796,410,050.49
  5. Step 5: Solve for x
    x = 560,796,410,050.49/958,584.13
  6. Step 6: Final answer
    x = 585,025.76

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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.