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Finding the Fourth Proportional to 556,922.32, 768,553.56 and 302,273.54

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Solution

The fourth proportional to 556,922.32, 768,553.56 and 302,273.54 is: 417,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,922.32 : 768,553.56 = 302,273.54 : x
  2. Step 2: Convert to fraction form
    556,922.32/768,553.56 = 302,273.54/x
  3. Step 3: Cross multiply
    556,922.32x = 768,553.56 × 302,273.54
  4. Step 4: Simplify right side
    556,922.32x = 232,313,405,260.80
  5. Step 5: Solve for x
    x = 232,313,405,260.80/556,922.32
  6. Step 6: Final answer
    x = 417,137.90

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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.