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Finding the Fourth Proportional to 512,976.59, 707,540.45 and 360,048.88

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Solution

The fourth proportional to 512,976.59, 707,540.45 and 360,048.88 is: 496,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,976.59 : 707,540.45 = 360,048.88 : x
  2. Step 2: Convert to fraction form
    512,976.59/707,540.45 = 360,048.88/x
  3. Step 3: Cross multiply
    512,976.59x = 707,540.45 × 360,048.88
  4. Step 4: Simplify right side
    512,976.59x = 254,749,146,577.20
  5. Step 5: Solve for x
    x = 254,749,146,577.20/512,976.59
  6. Step 6: Final answer
    x = 496,609.69

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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.