Home / 676,789.56-1,015,181.64-302,550.12

Finding the Fourth Proportional to 676,789.56, 1,015,181.64 and 302,550.12

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Solution

The fourth proportional to 676,789.56, 1,015,181.64 and 302,550.12 is: 453,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,789.56 : 1,015,181.64 = 302,550.12 : x
  2. Step 2: Convert to fraction form
    676,789.56/1,015,181.64 = 302,550.12/x
  3. Step 3: Cross multiply
    676,789.56x = 1,015,181.64 × 302,550.12
  4. Step 4: Simplify right side
    676,789.56x = 307,143,327,003.80
  5. Step 5: Solve for x
    x = 307,143,327,003.80/676,789.56
  6. Step 6: Final answer
    x = 453,823.97

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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.