Home / 886,658.01-1,330,173.83-287,572.49

Finding the Fourth Proportional to 886,658.01, 1,330,173.83 and 287,572.49

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Solution

The fourth proportional to 886,658.01, 1,330,173.83 and 287,572.49 is: 431,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,658.01 : 1,330,173.83 = 287,572.49 : x
  2. Step 2: Convert to fraction form
    886,658.01/1,330,173.83 = 287,572.49/x
  3. Step 3: Cross multiply
    886,658.01x = 1,330,173.83 × 287,572.49
  4. Step 4: Simplify right side
    886,658.01x = 382,521,400,425.94
  5. Step 5: Solve for x
    x = 382,521,400,425.94/886,658.01
  6. Step 6: Final answer
    x = 431,419.33

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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.