Home / 737,525.80-1,105,511.10-421,301.80

Finding the Fourth Proportional to 737,525.80, 1,105,511.10 and 421,301.80

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Solution

The fourth proportional to 737,525.80, 1,105,511.10 and 421,301.80 is: 631,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,525.80 : 1,105,511.10 = 421,301.80 : x
  2. Step 2: Convert to fraction form
    737,525.80/1,105,511.10 = 421,301.80/x
  3. Step 3: Cross multiply
    737,525.80x = 1,105,511.10 × 421,301.80
  4. Step 4: Simplify right side
    737,525.80x = 465,753,816,349.98
  5. Step 5: Solve for x
    x = 465,753,816,349.98/737,525.80
  6. Step 6: Final answer
    x = 631,508.51

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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.