Home / 829,052.64-1,243,393.20-323,625.60

Finding the Fourth Proportional to 829,052.64, 1,243,393.20 and 323,625.60

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Solution

The fourth proportional to 829,052.64, 1,243,393.20 and 323,625.60 is: 485,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,052.64 : 1,243,393.20 = 323,625.60 : x
  2. Step 2: Convert to fraction form
    829,052.64/1,243,393.20 = 323,625.60/x
  3. Step 3: Cross multiply
    829,052.64x = 1,243,393.20 × 323,625.60
  4. Step 4: Simplify right side
    829,052.64x = 402,393,870,385.92
  5. Step 5: Solve for x
    x = 402,393,870,385.92/829,052.64
  6. Step 6: Final answer
    x = 485,365.89

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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.