Home / 876,879.61-1,315,405.83-364,439.05

Finding the Fourth Proportional to 876,879.61, 1,315,405.83 and 364,439.05

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Solution

The fourth proportional to 876,879.61, 1,315,405.83 and 364,439.05 is: 546,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,879.61 : 1,315,405.83 = 364,439.05 : x
  2. Step 2: Convert to fraction form
    876,879.61/1,315,405.83 = 364,439.05/x
  3. Step 3: Cross multiply
    876,879.61x = 1,315,405.83 × 364,439.05
  4. Step 4: Simplify right side
    876,879.61x = 479,385,251,049.66
  5. Step 5: Solve for x
    x = 479,385,251,049.66/876,879.61
  6. Step 6: Final answer
    x = 546,694.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.