Home / 961,587.31-1,442,456.84-321,894.85

Finding the Fourth Proportional to 961,587.31, 1,442,456.84 and 321,894.85

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Solution

The fourth proportional to 961,587.31, 1,442,456.84 and 321,894.85 is: 482,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,587.31 : 1,442,456.84 = 321,894.85 : x
  2. Step 2: Convert to fraction form
    961,587.31/1,442,456.84 = 321,894.85/x
  3. Step 3: Cross multiply
    961,587.31x = 1,442,456.84 × 321,894.85
  4. Step 4: Simplify right side
    961,587.31x = 464,319,426,533.80
  5. Step 5: Solve for x
    x = 464,319,426,533.80/961,587.31
  6. Step 6: Final answer
    x = 482,867.67

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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.