Home / 742,881.28-1,114,764.62-269,603.54

Finding the Fourth Proportional to 742,881.28, 1,114,764.62 and 269,603.54

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Solution

The fourth proportional to 742,881.28, 1,114,764.62 and 269,603.54 is: 404,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,881.28 : 1,114,764.62 = 269,603.54 : x
  2. Step 2: Convert to fraction form
    742,881.28/1,114,764.62 = 269,603.54/x
  3. Step 3: Cross multiply
    742,881.28x = 1,114,764.62 × 269,603.54
  4. Step 4: Simplify right side
    742,881.28x = 300,544,487,818.76
  5. Step 5: Solve for x
    x = 300,544,487,818.76/742,881.28
  6. Step 6: Final answer
    x = 404,565.97

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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.