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Finding the Fourth Proportional to 886,896, 1,330,355.52 and 295,920

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Solution

The fourth proportional to 886,896, 1,330,355.52 and 295,920 is: 443,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,896 : 1,330,355.52 = 295,920 : x
  2. Step 2: Convert to fraction form
    886,896/1,330,355.52 = 295,920/x
  3. Step 3: Cross multiply
    886,896x = 1,330,355.52 × 295,920
  4. Step 4: Simplify right side
    886,896x = 393,678,805,478.40
  5. Step 5: Solve for x
    x = 393,678,805,478.40/886,896
  6. Step 6: Final answer
    x = 443,883.84

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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.