Home / 775,940.77-1,164,195.47-326,774.71

Finding the Fourth Proportional to 775,940.77, 1,164,195.47 and 326,774.71

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Solution

The fourth proportional to 775,940.77, 1,164,195.47 and 326,774.71 is: 490,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,940.77 : 1,164,195.47 = 326,774.71 : x
  2. Step 2: Convert to fraction form
    775,940.77/1,164,195.47 = 326,774.71/x
  3. Step 3: Cross multiply
    775,940.77x = 1,164,195.47 × 326,774.71
  4. Step 4: Simplify right side
    775,940.77x = 380,429,635,458.69
  5. Step 5: Solve for x
    x = 380,429,635,458.69/775,940.77
  6. Step 6: Final answer
    x = 490,281.80

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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.