Home / 886,616.06-1,330,110.92-287,530.50

Finding the Fourth Proportional to 886,616.06, 1,330,110.92 and 287,530.50

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Solution

The fourth proportional to 886,616.06, 1,330,110.92 and 287,530.50 is: 431,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,616.06 : 1,330,110.92 = 287,530.50 : x
  2. Step 2: Convert to fraction form
    886,616.06/1,330,110.92 = 287,530.50/x
  3. Step 3: Cross multiply
    886,616.06x = 1,330,110.92 × 287,530.50
  4. Step 4: Simplify right side
    886,616.06x = 382,447,456,445.41
  5. Step 5: Solve for x
    x = 382,447,456,445.41/886,616.06
  6. Step 6: Final answer
    x = 431,356.34

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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.