Home / 451,631.10-677,446.65-448,520.70

Finding the Fourth Proportional to 451,631.10, 677,446.65 and 448,520.70

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Solution

The fourth proportional to 451,631.10, 677,446.65 and 448,520.70 is: 672,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,631.10 : 677,446.65 = 448,520.70 : x
  2. Step 2: Convert to fraction form
    451,631.10/677,446.65 = 448,520.70/x
  3. Step 3: Cross multiply
    451,631.10x = 677,446.65 × 448,520.70
  4. Step 4: Simplify right side
    451,631.10x = 303,848,845,670.66
  5. Step 5: Solve for x
    x = 303,848,845,670.66/451,631.10
  6. Step 6: Final answer
    x = 672,781.05

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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.