Home / 780,433.02-1,170,761.09-240,734.88

Finding the Fourth Proportional to 780,433.02, 1,170,761.09 and 240,734.88

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Solution

The fourth proportional to 780,433.02, 1,170,761.09 and 240,734.88 is: 361,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,433.02 : 1,170,761.09 = 240,734.88 : x
  2. Step 2: Convert to fraction form
    780,433.02/1,170,761.09 = 240,734.88/x
  3. Step 3: Cross multiply
    780,433.02x = 1,170,761.09 × 240,734.88
  4. Step 4: Simplify right side
    780,433.02x = 281,843,030,509.82
  5. Step 5: Solve for x
    x = 281,843,030,509.82/780,433.02
  6. Step 6: Final answer
    x = 361,136.73

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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.