Home / 886,684.23-1,330,213.41-287,598.87

Finding the Fourth Proportional to 886,684.23, 1,330,213.41 and 287,598.87

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Solution

The fourth proportional to 886,684.23, 1,330,213.41 and 287,598.87 is: 431,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,684.23 : 1,330,213.41 = 287,598.87 : x
  2. Step 2: Convert to fraction form
    886,684.23/1,330,213.41 = 287,598.87/x
  3. Step 3: Cross multiply
    886,684.23x = 1,330,213.41 × 287,598.87
  4. Step 4: Simplify right side
    886,684.23x = 382,567,873,574.85
  5. Step 5: Solve for x
    x = 382,567,873,574.85/886,684.23
  6. Step 6: Final answer
    x = 431,458.98

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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.