Home / 452,456.60-677,651.26-215,965.36

Finding the Fourth Proportional to 452,456.60, 677,651.26 and 215,965.36

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Solution

The fourth proportional to 452,456.60, 677,651.26 and 215,965.36 is: 323,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,456.60 : 677,651.26 = 215,965.36 : x
  2. Step 2: Convert to fraction form
    452,456.60/677,651.26 = 215,965.36/x
  3. Step 3: Cross multiply
    452,456.60x = 677,651.26 × 215,965.36
  4. Step 4: Simplify right side
    452,456.60x = 146,349,198,320.35
  5. Step 5: Solve for x
    x = 146,349,198,320.35/452,456.60
  6. Step 6: Final answer
    x = 323,454.67

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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.