Home / 713,987.67-1,069,523.51-398,612.55

Finding the Fourth Proportional to 713,987.67, 1,069,523.51 and 398,612.55

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Solution

The fourth proportional to 713,987.67, 1,069,523.51 and 398,612.55 is: 597,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,987.67 : 1,069,523.51 = 398,612.55 : x
  2. Step 2: Convert to fraction form
    713,987.67/1,069,523.51 = 398,612.55/x
  3. Step 3: Cross multiply
    713,987.67x = 1,069,523.51 × 398,612.55
  4. Step 4: Simplify right side
    713,987.67x = 426,325,491,612.99
  5. Step 5: Solve for x
    x = 426,325,491,612.99/713,987.67
  6. Step 6: Final answer
    x = 597,104.84

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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.