Home / 451,789.58-623,474.43-247,840.90

Finding the Fourth Proportional to 451,789.58, 623,474.43 and 247,840.90

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Solution

The fourth proportional to 451,789.58, 623,474.43 and 247,840.90 is: 342,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,789.58 : 623,474.43 = 247,840.90 : x
  2. Step 2: Convert to fraction form
    451,789.58/623,474.43 = 247,840.90/x
  3. Step 3: Cross multiply
    451,789.58x = 623,474.43 × 247,840.90
  4. Step 4: Simplify right side
    451,789.58x = 154,522,463,858.19
  5. Step 5: Solve for x
    x = 154,522,463,858.19/451,789.58
  6. Step 6: Final answer
    x = 342,023.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.