Home / 916,712.72-1,373,662.56-383,942.24

Finding the Fourth Proportional to 916,712.72, 1,373,662.56 and 383,942.24

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Solution

The fourth proportional to 916,712.72, 1,373,662.56 and 383,942.24 is: 575,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,712.72 : 1,373,662.56 = 383,942.24 : x
  2. Step 2: Convert to fraction form
    916,712.72/1,373,662.56 = 383,942.24/x
  3. Step 3: Cross multiply
    916,712.72x = 1,373,662.56 × 383,942.24
  4. Step 4: Simplify right side
    916,712.72x = 527,407,080,290.53
  5. Step 5: Solve for x
    x = 527,407,080,290.53/916,712.72
  6. Step 6: Final answer
    x = 575,324.27

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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.