Home / 825,026.64-1,237,892.88-345,366.54

Finding the Fourth Proportional to 825,026.64, 1,237,892.88 and 345,366.54

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Solution

The fourth proportional to 825,026.64, 1,237,892.88 and 345,366.54 is: 518,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,026.64 : 1,237,892.88 = 345,366.54 : x
  2. Step 2: Convert to fraction form
    825,026.64/1,237,892.88 = 345,366.54/x
  3. Step 3: Cross multiply
    825,026.64x = 1,237,892.88 × 345,366.54
  4. Step 4: Simplify right side
    825,026.64x = 427,526,780,856.24
  5. Step 5: Solve for x
    x = 427,526,780,856.24/825,026.64
  6. Step 6: Final answer
    x = 518,197.55

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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.