Home / 457,336.86-682,742.57-426,945.01

Finding the Fourth Proportional to 457,336.86, 682,742.57 and 426,945.01

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Solution

The fourth proportional to 457,336.86, 682,742.57 and 426,945.01 is: 637,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,336.86 : 682,742.57 = 426,945.01 : x
  2. Step 2: Convert to fraction form
    457,336.86/682,742.57 = 426,945.01/x
  3. Step 3: Cross multiply
    457,336.86x = 682,742.57 × 426,945.01
  4. Step 4: Simplify right side
    457,336.86x = 291,493,530,496.04
  5. Step 5: Solve for x
    x = 291,493,530,496.04/457,336.86
  6. Step 6: Final answer
    x = 637,371.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.