Home / 987,396.48-1,480,788.44-356,228.24

Finding the Fourth Proportional to 987,396.48, 1,480,788.44 and 356,228.24

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Solution

The fourth proportional to 987,396.48, 1,480,788.44 and 356,228.24 is: 534,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,396.48 : 1,480,788.44 = 356,228.24 : x
  2. Step 2: Convert to fraction form
    987,396.48/1,480,788.44 = 356,228.24/x
  3. Step 3: Cross multiply
    987,396.48x = 1,480,788.44 × 356,228.24
  4. Step 4: Simplify right side
    987,396.48x = 527,498,659,793.55
  5. Step 5: Solve for x
    x = 527,498,659,793.55/987,396.48
  6. Step 6: Final answer
    x = 534,231.86

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1.5x scale

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.