Home / 762,159.67-1,143,682.26-341,435.54

Finding the Fourth Proportional to 762,159.67, 1,143,682.26 and 341,435.54

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Solution

The fourth proportional to 762,159.67, 1,143,682.26 and 341,435.54 is: 512,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,159.67 : 1,143,682.26 = 341,435.54 : x
  2. Step 2: Convert to fraction form
    762,159.67/1,143,682.26 = 341,435.54/x
  3. Step 3: Cross multiply
    762,159.67x = 1,143,682.26 × 341,435.54
  4. Step 4: Simplify right side
    762,159.67x = 390,493,771,610.34
  5. Step 5: Solve for x
    x = 390,493,771,610.34/762,159.67
  6. Step 6: Final answer
    x = 512,351.66

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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.