Home / 763,406.40-1,145,149.01-194,792.48

Finding the Fourth Proportional to 763,406.40, 1,145,149.01 and 194,792.48

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Solution

The fourth proportional to 763,406.40, 1,145,149.01 and 194,792.48 is: 292,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,406.40 : 1,145,149.01 = 194,792.48 : x
  2. Step 2: Convert to fraction form
    763,406.40/1,145,149.01 = 194,792.48/x
  3. Step 3: Cross multiply
    763,406.40x = 1,145,149.01 × 194,792.48
  4. Step 4: Simplify right side
    763,406.40x = 223,066,413,952.52
  5. Step 5: Solve for x
    x = 223,066,413,952.52/763,406.40
  6. Step 6: Final answer
    x = 292,198.77

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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.