Home / 886,630.82-1,330,133.04-287,545.26

Finding the Fourth Proportional to 886,630.82, 1,330,133.04 and 287,545.26

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Solution

The fourth proportional to 886,630.82, 1,330,133.04 and 287,545.26 is: 431,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,630.82 : 1,330,133.04 = 287,545.26 : x
  2. Step 2: Convert to fraction form
    886,630.82/1,330,133.04 = 287,545.26/x
  3. Step 3: Cross multiply
    886,630.82x = 1,330,133.04 × 287,545.26
  4. Step 4: Simplify right side
    886,630.82x = 382,473,450,821.39
  5. Step 5: Solve for x
    x = 382,473,450,821.39/886,630.82
  6. Step 6: Final answer
    x = 431,378.47

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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.