Home / 899,635.64-1,349,689.79-323,317.12

Finding the Fourth Proportional to 899,635.64, 1,349,689.79 and 323,317.12

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Solution

The fourth proportional to 899,635.64, 1,349,689.79 and 323,317.12 is: 485,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,635.64 : 1,349,689.79 = 323,317.12 : x
  2. Step 2: Convert to fraction form
    899,635.64/1,349,689.79 = 323,317.12/x
  3. Step 3: Cross multiply
    899,635.64x = 1,349,689.79 × 323,317.12
  4. Step 4: Simplify right side
    899,635.64x = 436,377,813,230.27
  5. Step 5: Solve for x
    x = 436,377,813,230.27/899,635.64
  6. Step 6: Final answer
    x = 485,060.61

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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.