Home / 694,962.72-1,042,521.84-221,538.24

Finding the Fourth Proportional to 694,962.72, 1,042,521.84 and 221,538.24

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Solution

The fourth proportional to 694,962.72, 1,042,521.84 and 221,538.24 is: 332,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,962.72 : 1,042,521.84 = 221,538.24 : x
  2. Step 2: Convert to fraction form
    694,962.72/1,042,521.84 = 221,538.24/x
  3. Step 3: Cross multiply
    694,962.72x = 1,042,521.84 × 221,538.24
  4. Step 4: Simplify right side
    694,962.72x = 230,958,453,595.16
  5. Step 5: Solve for x
    x = 230,958,453,595.16/694,962.72
  6. Step 6: Final answer
    x = 332,332.15

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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.