Home / 487,037.34-672,188.31-296,110.62

Finding the Fourth Proportional to 487,037.34, 672,188.31 and 296,110.62

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Solution

The fourth proportional to 487,037.34, 672,188.31 and 296,110.62 is: 408,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,037.34 : 672,188.31 = 296,110.62 : x
  2. Step 2: Convert to fraction form
    487,037.34/672,188.31 = 296,110.62/x
  3. Step 3: Cross multiply
    487,037.34x = 672,188.31 × 296,110.62
  4. Step 4: Simplify right side
    487,037.34x = 199,042,097,230.85
  5. Step 5: Solve for x
    x = 199,042,097,230.85/487,037.34
  6. Step 6: Final answer
    x = 408,679.34

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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.