Home / 455,150.43-628,343.73-332,505.18

Finding the Fourth Proportional to 455,150.43, 628,343.73 and 332,505.18

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Solution

The fourth proportional to 455,150.43, 628,343.73 and 332,505.18 is: 459,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,150.43 : 628,343.73 = 332,505.18 : x
  2. Step 2: Convert to fraction form
    455,150.43/628,343.73 = 332,505.18/x
  3. Step 3: Cross multiply
    455,150.43x = 628,343.73 × 332,505.18
  4. Step 4: Simplify right side
    455,150.43x = 208,927,545,045.52
  5. Step 5: Solve for x
    x = 208,927,545,045.52/455,150.43
  6. Step 6: Final answer
    x = 459,029.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.