Home / 829,060.64-1,243,405.20-323,633.60

Finding the Fourth Proportional to 829,060.64, 1,243,405.20 and 323,633.60

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Solution

The fourth proportional to 829,060.64, 1,243,405.20 and 323,633.60 is: 485,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,060.64 : 1,243,405.20 = 323,633.60 : x
  2. Step 2: Convert to fraction form
    829,060.64/1,243,405.20 = 323,633.60/x
  3. Step 3: Cross multiply
    829,060.64x = 1,243,405.20 × 323,633.60
  4. Step 4: Simplify right side
    829,060.64x = 402,407,701,134.72
  5. Step 5: Solve for x
    x = 402,407,701,134.72/829,060.64
  6. Step 6: Final answer
    x = 485,377.89

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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.