Home / 787,406.86-1,181,298.41-254,928.45

Finding the Fourth Proportional to 787,406.86, 1,181,298.41 and 254,928.45

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Solution

The fourth proportional to 787,406.86, 1,181,298.41 and 254,928.45 is: 382,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,406.86 : 1,181,298.41 = 254,928.45 : x
  2. Step 2: Convert to fraction form
    787,406.86/1,181,298.41 = 254,928.45/x
  3. Step 3: Cross multiply
    787,406.86x = 1,181,298.41 × 254,928.45
  4. Step 4: Simplify right side
    787,406.86x = 301,146,572,648.76
  5. Step 5: Solve for x
    x = 301,146,572,648.76/787,406.86
  6. Step 6: Final answer
    x = 382,453.58

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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.