Home / 678,482.46-1,017,797.51-251,968.26

Finding the Fourth Proportional to 678,482.46, 1,017,797.51 and 251,968.26

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Solution

The fourth proportional to 678,482.46, 1,017,797.51 and 251,968.26 is: 377,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,482.46 : 1,017,797.51 = 251,968.26 : x
  2. Step 2: Convert to fraction form
    678,482.46/1,017,797.51 = 251,968.26/x
  3. Step 3: Cross multiply
    678,482.46x = 1,017,797.51 × 251,968.26
  4. Step 4: Simplify right side
    678,482.46x = 256,452,667,627.03
  5. Step 5: Solve for x
    x = 256,452,667,627.03/678,482.46
  6. Step 6: Final answer
    x = 377,979.80

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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.