Home / 740,810.20-1,111,215.30-242,224.60

Finding the Fourth Proportional to 740,810.20, 1,111,215.30 and 242,224.60

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Solution

The fourth proportional to 740,810.20, 1,111,215.30 and 242,224.60 is: 363,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,810.20 : 1,111,215.30 = 242,224.60 : x
  2. Step 2: Convert to fraction form
    740,810.20/1,111,215.30 = 242,224.60/x
  3. Step 3: Cross multiply
    740,810.20x = 1,111,215.30 × 242,224.60
  4. Step 4: Simplify right side
    740,810.20x = 269,163,681,556.38
  5. Step 5: Solve for x
    x = 269,163,681,556.38/740,810.20
  6. Step 6: Final answer
    x = 363,336.90

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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.