Home / 759,023.02-1,138,147.71-253,402.30

Finding the Fourth Proportional to 759,023.02, 1,138,147.71 and 253,402.30

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Solution

The fourth proportional to 759,023.02, 1,138,147.71 and 253,402.30 is: 379,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,023.02 : 1,138,147.71 = 253,402.30 : x
  2. Step 2: Convert to fraction form
    759,023.02/1,138,147.71 = 253,402.30/x
  3. Step 3: Cross multiply
    759,023.02x = 1,138,147.71 × 253,402.30
  4. Step 4: Simplify right side
    759,023.02x = 288,409,247,453.73
  5. Step 5: Solve for x
    x = 288,409,247,453.73/759,023.02
  6. Step 6: Final answer
    x = 379,974.31

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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.