Home / 1,023,679.32-1,535,743.62-313,760.76

Finding the Fourth Proportional to 1,023,679.32, 1,535,743.62 and 313,760.76

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Solution

The fourth proportional to 1,023,679.32, 1,535,743.62 and 313,760.76 is: 470,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,679.32 : 1,535,743.62 = 313,760.76 : x
  2. Step 2: Convert to fraction form
    1,023,679.32/1,535,743.62 = 313,760.76/x
  3. Step 3: Cross multiply
    1,023,679.32x = 1,535,743.62 × 313,760.76
  4. Step 4: Simplify right side
    1,023,679.32x = 481,856,085,376.35
  5. Step 5: Solve for x
    x = 481,856,085,376.35/1,023,679.32
  6. Step 6: Final answer
    x = 470,709.99

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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.