Home / 535,942.65-739,602.09-294,240.78

Finding the Fourth Proportional to 535,942.65, 739,602.09 and 294,240.78

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Solution

The fourth proportional to 535,942.65, 739,602.09 and 294,240.78 is: 406,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,942.65 : 739,602.09 = 294,240.78 : x
  2. Step 2: Convert to fraction form
    535,942.65/739,602.09 = 294,240.78/x
  3. Step 3: Cross multiply
    535,942.65x = 739,602.09 × 294,240.78
  4. Step 4: Simplify right side
    535,942.65x = 217,621,095,851.23
  5. Step 5: Solve for x
    x = 217,621,095,851.23/535,942.65
  6. Step 6: Final answer
    x = 406,052.95

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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.