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Finding the Fourth Proportional to 473,467.44, 653,215.32 and 279,834.52

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Solution

The fourth proportional to 473,467.44, 653,215.32 and 279,834.52 is: 386,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,467.44 : 653,215.32 = 279,834.52 : x
  2. Step 2: Convert to fraction form
    473,467.44/653,215.32 = 279,834.52/x
  3. Step 3: Cross multiply
    473,467.44x = 653,215.32 × 279,834.52
  4. Step 4: Simplify right side
    473,467.44x = 182,792,195,528.85
  5. Step 5: Solve for x
    x = 182,792,195,528.85/473,467.44
  6. Step 6: Final answer
    x = 386,071.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.