Home / 890,741.52-1,336,092.87-216,826.38

Finding the Fourth Proportional to 890,741.52, 1,336,092.87 and 216,826.38

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Solution

The fourth proportional to 890,741.52, 1,336,092.87 and 216,826.38 is: 325,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,741.52 : 1,336,092.87 = 216,826.38 : x
  2. Step 2: Convert to fraction form
    890,741.52/1,336,092.87 = 216,826.38/x
  3. Step 3: Cross multiply
    890,741.52x = 1,336,092.87 × 216,826.38
  4. Step 4: Simplify right side
    890,741.52x = 289,700,180,345.91
  5. Step 5: Solve for x
    x = 289,700,180,345.91/890,741.52
  6. Step 6: Final answer
    x = 325,234.85

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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.