Home / 874,877.13-1,312,191.09-275,760.41

Finding the Fourth Proportional to 874,877.13, 1,312,191.09 and 275,760.41

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Solution

The fourth proportional to 874,877.13, 1,312,191.09 and 275,760.41 is: 413,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,877.13 : 1,312,191.09 = 275,760.41 : x
  2. Step 2: Convert to fraction form
    874,877.13/1,312,191.09 = 275,760.41/x
  3. Step 3: Cross multiply
    874,877.13x = 1,312,191.09 × 275,760.41
  4. Step 4: Simplify right side
    874,877.13x = 361,850,346,415.79
  5. Step 5: Solve for x
    x = 361,850,346,415.79/874,877.13
  6. Step 6: Final answer
    x = 413,601.33

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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.