Home / 749,879.64-1,124,588.07-217,439.91

Finding the Fourth Proportional to 749,879.64, 1,124,588.07 and 217,439.91

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Solution

The fourth proportional to 749,879.64, 1,124,588.07 and 217,439.91 is: 326,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,879.64 : 1,124,588.07 = 217,439.91 : x
  2. Step 2: Convert to fraction form
    749,879.64/1,124,588.07 = 217,439.91/x
  3. Step 3: Cross multiply
    749,879.64x = 1,124,588.07 × 217,439.91
  4. Step 4: Simplify right side
    749,879.64x = 244,530,328,727.87
  5. Step 5: Solve for x
    x = 244,530,328,727.87/749,879.64
  6. Step 6: Final answer
    x = 326,092.77

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Double scale
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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.