Home / 886,686.23-1,330,216.41-287,600.87

Finding the Fourth Proportional to 886,686.23, 1,330,216.41 and 287,600.87

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Solution

The fourth proportional to 886,686.23, 1,330,216.41 and 287,600.87 is: 431,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,686.23 : 1,330,216.41 = 287,600.87 : x
  2. Step 2: Convert to fraction form
    886,686.23/1,330,216.41 = 287,600.87/x
  3. Step 3: Cross multiply
    886,686.23x = 1,330,216.41 × 287,600.87
  4. Step 4: Simplify right side
    886,686.23x = 382,571,396,804.28
  5. Step 5: Solve for x
    x = 382,571,396,804.28/886,686.23
  6. Step 6: Final answer
    x = 431,461.98

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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.