Home / 671,301.06-1,006,711.74-221,938.98

Finding the Fourth Proportional to 671,301.06, 1,006,711.74 and 221,938.98

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Solution

The fourth proportional to 671,301.06, 1,006,711.74 and 221,938.98 is: 332,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,301.06 : 1,006,711.74 = 221,938.98 : x
  2. Step 2: Convert to fraction form
    671,301.06/1,006,711.74 = 221,938.98/x
  3. Step 3: Cross multiply
    671,301.06x = 1,006,711.74 × 221,938.98
  4. Step 4: Simplify right side
    671,301.06x = 223,428,576,729.63
  5. Step 5: Solve for x
    x = 223,428,576,729.63/671,301.06
  6. Step 6: Final answer
    x = 332,829.17

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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.