Home / 672,306.25-927,782.79-366,382.72

Finding the Fourth Proportional to 672,306.25, 927,782.79 and 366,382.72

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Solution

The fourth proportional to 672,306.25, 927,782.79 and 366,382.72 is: 505,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,306.25 : 927,782.79 = 366,382.72 : x
  2. Step 2: Convert to fraction form
    672,306.25/927,782.79 = 366,382.72/x
  3. Step 3: Cross multiply
    672,306.25x = 927,782.79 × 366,382.72
  4. Step 4: Simplify right side
    672,306.25x = 339,923,582,169.39
  5. Step 5: Solve for x
    x = 339,923,582,169.39/672,306.25
  6. Step 6: Final answer
    x = 505,608.24

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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.