Home / 761,958.48-1,143,462.64-341,704.56

Finding the Fourth Proportional to 761,958.48, 1,143,462.64 and 341,704.56

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Solution

The fourth proportional to 761,958.48, 1,143,462.64 and 341,704.56 is: 512,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,958.48 : 1,143,462.64 = 341,704.56 : x
  2. Step 2: Convert to fraction form
    761,958.48/1,143,462.64 = 341,704.56/x
  3. Step 3: Cross multiply
    761,958.48x = 1,143,462.64 × 341,704.56
  4. Step 4: Simplify right side
    761,958.48x = 390,726,398,277.64
  5. Step 5: Solve for x
    x = 390,726,398,277.64/761,958.48
  6. Step 6: Final answer
    x = 512,792.24

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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.