Home / 698,936.80-1,049,182.80-432,997.60

Finding the Fourth Proportional to 698,936.80, 1,049,182.80 and 432,997.60

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Solution

The fourth proportional to 698,936.80, 1,049,182.80 and 432,997.60 is: 649,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,936.80 : 1,049,182.80 = 432,997.60 : x
  2. Step 2: Convert to fraction form
    698,936.80/1,049,182.80 = 432,997.60/x
  3. Step 3: Cross multiply
    698,936.80x = 1,049,182.80 × 432,997.60
  4. Step 4: Simplify right side
    698,936.80x = 454,293,634,361.28
  5. Step 5: Solve for x
    x = 454,293,634,361.28/698,936.80
  6. Step 6: Final answer
    x = 649,978.13

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1.5x scale

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.