Home / 855,135.12-1,180,086.57-467,950.61

Finding the Fourth Proportional to 855,135.12, 1,180,086.57 and 467,950.61

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Solution

The fourth proportional to 855,135.12, 1,180,086.57 and 467,950.61 is: 645,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,135.12 : 1,180,086.57 = 467,950.61 : x
  2. Step 2: Convert to fraction form
    855,135.12/1,180,086.57 = 467,950.61/x
  3. Step 3: Cross multiply
    855,135.12x = 1,180,086.57 × 467,950.61
  4. Step 4: Simplify right side
    855,135.12x = 552,222,233,234.52
  5. Step 5: Solve for x
    x = 552,222,233,234.52/855,135.12
  6. Step 6: Final answer
    x = 645,771.90

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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.