Home / 775,442.43-1,163,349.54-375,615.90

Finding the Fourth Proportional to 775,442.43, 1,163,349.54 and 375,615.90

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Solution

The fourth proportional to 775,442.43, 1,163,349.54 and 375,615.90 is: 563,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,442.43 : 1,163,349.54 = 375,615.90 : x
  2. Step 2: Convert to fraction form
    775,442.43/1,163,349.54 = 375,615.90/x
  3. Step 3: Cross multiply
    775,442.43x = 1,163,349.54 × 375,615.90
  4. Step 4: Simplify right side
    775,442.43x = 436,972,584,481.69
  5. Step 5: Solve for x
    x = 436,972,584,481.69/775,442.43
  6. Step 6: Final answer
    x = 563,513.90

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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.