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Finding the Fourth Proportional to 569,589.44, 786,037.44 and 311,467.52

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Solution

The fourth proportional to 569,589.44, 786,037.44 and 311,467.52 is: 429,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,589.44 : 786,037.44 = 311,467.52 : x
  2. Step 2: Convert to fraction form
    569,589.44/786,037.44 = 311,467.52/x
  3. Step 3: Cross multiply
    569,589.44x = 786,037.44 × 311,467.52
  4. Step 4: Simplify right side
    569,589.44x = 244,825,132,063.95
  5. Step 5: Solve for x
    x = 244,825,132,063.95/569,589.44
  6. Step 6: Final answer
    x = 429,827.37

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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.