Home / 961,258.57-1,442,203.51-393,117.48

Finding the Fourth Proportional to 961,258.57, 1,442,203.51 and 393,117.48

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Solution

The fourth proportional to 961,258.57, 1,442,203.51 and 393,117.48 is: 589,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,258.57 : 1,442,203.51 = 393,117.48 : x
  2. Step 2: Convert to fraction form
    961,258.57/1,442,203.51 = 393,117.48/x
  3. Step 3: Cross multiply
    961,258.57x = 1,442,203.51 × 393,117.48
  4. Step 4: Simplify right side
    961,258.57x = 566,955,408,515.56
  5. Step 5: Solve for x
    x = 566,955,408,515.56/961,258.57
  6. Step 6: Final answer
    x = 589,805.31

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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.