Home / 671,109.35-1,006,821.71-221,830.24

Finding the Fourth Proportional to 671,109.35, 1,006,821.71 and 221,830.24

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Solution

The fourth proportional to 671,109.35, 1,006,821.71 and 221,830.24 is: 332,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,109.35 : 1,006,821.71 = 221,830.24 : x
  2. Step 2: Convert to fraction form
    671,109.35/1,006,821.71 = 221,830.24/x
  3. Step 3: Cross multiply
    671,109.35x = 1,006,821.71 × 221,830.24
  4. Step 4: Simplify right side
    671,109.35x = 223,343,497,940.31
  5. Step 5: Solve for x
    x = 223,343,497,940.31/671,109.35
  6. Step 6: Final answer
    x = 332,797.47

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1.5x scale

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.