Home / 886,684.86-1,330,214.33-287,599.50

Finding the Fourth Proportional to 886,684.86, 1,330,214.33 and 287,599.50

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Solution

The fourth proportional to 886,684.86, 1,330,214.33 and 287,599.50 is: 431,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,684.86 : 1,330,214.33 = 287,599.50 : x
  2. Step 2: Convert to fraction form
    886,684.86/1,330,214.33 = 287,599.50/x
  3. Step 3: Cross multiply
    886,684.86x = 1,330,214.33 × 287,599.50
  4. Step 4: Simplify right side
    886,684.86x = 382,568,976,200.84
  5. Step 5: Solve for x
    x = 382,568,976,200.84/886,684.86
  6. Step 6: Final answer
    x = 431,459.92

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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.