Home / 861,726.45-1,292,783.50-262,748.15

Finding the Fourth Proportional to 861,726.45, 1,292,783.50 and 262,748.15

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Solution

The fourth proportional to 861,726.45, 1,292,783.50 and 262,748.15 is: 394,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,726.45 : 1,292,783.50 = 262,748.15 : x
  2. Step 2: Convert to fraction form
    861,726.45/1,292,783.50 = 262,748.15/x
  3. Step 3: Cross multiply
    861,726.45x = 1,292,783.50 × 262,748.15
  4. Step 4: Simplify right side
    861,726.45x = 339,676,479,329.39
  5. Step 5: Solve for x
    x = 339,676,479,329.39/861,726.45
  6. Step 6: Final answer
    x = 394,181.33

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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.