Home / 455,822.40-683,733.60-329,851.20

Finding the Fourth Proportional to 455,822.40, 683,733.60 and 329,851.20

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Solution

The fourth proportional to 455,822.40, 683,733.60 and 329,851.20 is: 494,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,822.40 : 683,733.60 = 329,851.20 : x
  2. Step 2: Convert to fraction form
    455,822.40/683,733.60 = 329,851.20/x
  3. Step 3: Cross multiply
    455,822.40x = 683,733.60 × 329,851.20
  4. Step 4: Simplify right side
    455,822.40x = 225,530,348,440.32
  5. Step 5: Solve for x
    x = 225,530,348,440.32/455,822.40
  6. Step 6: Final answer
    x = 494,776.80

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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.