Home / 451,631.80-677,447.70-283,670.20

Finding the Fourth Proportional to 451,631.80, 677,447.70 and 283,670.20

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Solution

The fourth proportional to 451,631.80, 677,447.70 and 283,670.20 is: 425,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,631.80 : 677,447.70 = 283,670.20 : x
  2. Step 2: Convert to fraction form
    451,631.80/677,447.70 = 283,670.20/x
  3. Step 3: Cross multiply
    451,631.80x = 677,447.70 × 283,670.20
  4. Step 4: Simplify right side
    451,631.80x = 192,171,724,548.54
  5. Step 5: Solve for x
    x = 192,171,724,548.54/451,631.80
  6. Step 6: Final answer
    x = 425,505.30

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1.5x scale

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.