Home / 787,377.80-1,181,254.01-254,898.78

Finding the Fourth Proportional to 787,377.80, 1,181,254.01 and 254,898.78

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Solution

The fourth proportional to 787,377.80, 1,181,254.01 and 254,898.78 is: 382,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,377.80 : 1,181,254.01 = 254,898.78 : x
  2. Step 2: Convert to fraction form
    787,377.80/1,181,254.01 = 254,898.78/x
  3. Step 3: Cross multiply
    787,377.80x = 1,181,254.01 × 254,898.78
  4. Step 4: Simplify right side
    787,377.80x = 301,100,204,744.61
  5. Step 5: Solve for x
    x = 301,100,204,744.61/787,377.80
  6. Step 6: Final answer
    x = 382,408.81

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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.