Home / 409,325.24-613,472.16-219,314.36

Finding the Fourth Proportional to 409,325.24, 613,472.16 and 219,314.36

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Solution

The fourth proportional to 409,325.24, 613,472.16 and 219,314.36 is: 328,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,325.24 : 613,472.16 = 219,314.36 : x
  2. Step 2: Convert to fraction form
    409,325.24/613,472.16 = 219,314.36/x
  3. Step 3: Cross multiply
    409,325.24x = 613,472.16 × 219,314.36
  4. Step 4: Simplify right side
    409,325.24x = 134,543,254,148.22
  5. Step 5: Solve for x
    x = 134,543,254,148.22/409,325.24
  6. Step 6: Final answer
    x = 328,695.23

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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.