Home / 671,290.50-1,006,938.45-271,938.81

Finding the Fourth Proportional to 671,290.50, 1,006,938.45 and 271,938.81

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Solution

The fourth proportional to 671,290.50, 1,006,938.45 and 271,938.81 is: 407,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,290.50 : 1,006,938.45 = 271,938.81 : x
  2. Step 2: Convert to fraction form
    671,290.50/1,006,938.45 = 271,938.81/x
  3. Step 3: Cross multiply
    671,290.50x = 1,006,938.45 × 271,938.81
  4. Step 4: Simplify right side
    671,290.50x = 273,825,643,836.24
  5. Step 5: Solve for x
    x = 273,825,643,836.24/671,290.50
  6. Step 6: Final answer
    x = 407,909.31

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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.