Home / 886,634.04-1,329,708.77-317,909.55

Finding the Fourth Proportional to 886,634.04, 1,329,708.77 and 317,909.55

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Solution

The fourth proportional to 886,634.04, 1,329,708.77 and 317,909.55 is: 476,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,634.04 : 1,329,708.77 = 317,909.55 : x
  2. Step 2: Convert to fraction form
    886,634.04/1,329,708.77 = 317,909.55/x
  3. Step 3: Cross multiply
    886,634.04x = 1,329,708.77 × 317,909.55
  4. Step 4: Simplify right side
    886,634.04x = 422,727,115,112.21
  5. Step 5: Solve for x
    x = 422,727,115,112.21/886,634.04
  6. Step 6: Final answer
    x = 476,777.45

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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.