Home / 563,163.52-777,185.10-308,514.64

Finding the Fourth Proportional to 563,163.52, 777,185.10 and 308,514.64

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Solution

The fourth proportional to 563,163.52, 777,185.10 and 308,514.64 is: 425,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,163.52 : 777,185.10 = 308,514.64 : x
  2. Step 2: Convert to fraction form
    563,163.52/777,185.10 = 308,514.64/x
  3. Step 3: Cross multiply
    563,163.52x = 777,185.10 × 308,514.64
  4. Step 4: Simplify right side
    563,163.52x = 239,772,981,339.86
  5. Step 5: Solve for x
    x = 239,772,981,339.86/563,163.52
  6. Step 6: Final answer
    x = 425,760.85

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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.