Home / 839,121.98-1,157,684.58-548,899.21

Finding the Fourth Proportional to 839,121.98, 1,157,684.58 and 548,899.21

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Solution

The fourth proportional to 839,121.98, 1,157,684.58 and 548,899.21 is: 757,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,121.98 : 1,157,684.58 = 548,899.21 : x
  2. Step 2: Convert to fraction form
    839,121.98/1,157,684.58 = 548,899.21/x
  3. Step 3: Cross multiply
    839,121.98x = 1,157,684.58 × 548,899.21
  4. Step 4: Simplify right side
    839,121.98x = 635,452,148,496.97
  5. Step 5: Solve for x
    x = 635,452,148,496.97/839,121.98
  6. Step 6: Final answer
    x = 757,282.21

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1.5x scale

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.