Home / 669,006.72-1,002,736.80-308,424.24

Finding the Fourth Proportional to 669,006.72, 1,002,736.80 and 308,424.24

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Solution

The fourth proportional to 669,006.72, 1,002,736.80 and 308,424.24 is: 462,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,006.72 : 1,002,736.80 = 308,424.24 : x
  2. Step 2: Convert to fraction form
    669,006.72/1,002,736.80 = 308,424.24/x
  3. Step 3: Cross multiply
    669,006.72x = 1,002,736.80 × 308,424.24
  4. Step 4: Simplify right side
    669,006.72x = 309,268,335,460.03
  5. Step 5: Solve for x
    x = 309,268,335,460.03/669,006.72
  6. Step 6: Final answer
    x = 462,279.86

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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.