Home / 413,718.24-620,565-114,217.09

Finding the Fourth Proportional to 413,718.24, 620,565 and 114,217.09

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Solution

The fourth proportional to 413,718.24, 620,565 and 114,217.09 is: 171,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,718.24 : 620,565 = 114,217.09 : x
  2. Step 2: Convert to fraction form
    413,718.24/620,565 = 114,217.09/x
  3. Step 3: Cross multiply
    413,718.24x = 620,565 × 114,217.09
  4. Step 4: Simplify right side
    413,718.24x = 70,879,128,455.85
  5. Step 5: Solve for x
    x = 70,879,128,455.85/413,718.24
  6. Step 6: Final answer
    x = 171,322.22

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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.