Home / 389,867.03-585,033.82-358,140.95

Finding the Fourth Proportional to 389,867.03, 585,033.82 and 358,140.95

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Solution

The fourth proportional to 389,867.03, 585,033.82 and 358,140.95 is: 537,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,867.03 : 585,033.82 = 358,140.95 : x
  2. Step 2: Convert to fraction form
    389,867.03/585,033.82 = 358,140.95/x
  3. Step 3: Cross multiply
    389,867.03x = 585,033.82 × 358,140.95
  4. Step 4: Simplify right side
    389,867.03x = 209,524,568,076.93
  5. Step 5: Solve for x
    x = 209,524,568,076.93/389,867.03
  6. Step 6: Final answer
    x = 537,425.72

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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.