Home / 787,908.86-1,181,764.67-219,332.60

Finding the Fourth Proportional to 787,908.86, 1,181,764.67 and 219,332.60

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Solution

The fourth proportional to 787,908.86, 1,181,764.67 and 219,332.60 is: 328,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,908.86 : 1,181,764.67 = 219,332.60 : x
  2. Step 2: Convert to fraction form
    787,908.86/1,181,764.67 = 219,332.60/x
  3. Step 3: Cross multiply
    787,908.86x = 1,181,764.67 × 219,332.60
  4. Step 4: Simplify right side
    787,908.86x = 259,199,510,653.76
  5. Step 5: Solve for x
    x = 259,199,510,653.76/787,908.86
  6. Step 6: Final answer
    x = 328,971.44

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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.