Home / 671,633.80-1,006,575.90-271,947.40

Finding the Fourth Proportional to 671,633.80, 1,006,575.90 and 271,947.40

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Solution

The fourth proportional to 671,633.80, 1,006,575.90 and 271,947.40 is: 407,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,633.80 : 1,006,575.90 = 271,947.40 : x
  2. Step 2: Convert to fraction form
    671,633.80/1,006,575.90 = 271,947.40/x
  3. Step 3: Cross multiply
    671,633.80x = 1,006,575.90 × 271,947.40
  4. Step 4: Simplify right side
    671,633.80x = 273,735,698,907.66
  5. Step 5: Solve for x
    x = 273,735,698,907.66/671,633.80
  6. Step 6: Final answer
    x = 407,566.89

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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.