Home / 671,300.64-1,006,804.89-221,915.34

Finding the Fourth Proportional to 671,300.64, 1,006,804.89 and 221,915.34

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Solution

The fourth proportional to 671,300.64, 1,006,804.89 and 221,915.34 is: 332,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,300.64 : 1,006,804.89 = 221,915.34 : x
  2. Step 2: Convert to fraction form
    671,300.64/1,006,804.89 = 221,915.34/x
  3. Step 3: Cross multiply
    671,300.64x = 1,006,804.89 × 221,915.34
  4. Step 4: Simplify right side
    671,300.64x = 223,425,449,478.01
  5. Step 5: Solve for x
    x = 223,425,449,478.01/671,300.64
  6. Step 6: Final answer
    x = 332,824.72

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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.