Home / 535,920.72-802,836.15-298,548.60

Finding the Fourth Proportional to 535,920.72, 802,836.15 and 298,548.60

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Solution

The fourth proportional to 535,920.72, 802,836.15 and 298,548.60 is: 447,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,920.72 : 802,836.15 = 298,548.60 : x
  2. Step 2: Convert to fraction form
    535,920.72/802,836.15 = 298,548.60/x
  3. Step 3: Cross multiply
    535,920.72x = 802,836.15 × 298,548.60
  4. Step 4: Simplify right side
    535,920.72x = 239,685,608,611.89
  5. Step 5: Solve for x
    x = 239,685,608,611.89/535,920.72
  6. Step 6: Final answer
    x = 447,240.79

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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.