Home / 713,987.42-1,069,523.12-398,612.30

Finding the Fourth Proportional to 713,987.42, 1,069,523.12 and 398,612.30

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Solution

The fourth proportional to 713,987.42, 1,069,523.12 and 398,612.30 is: 597,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,987.42 : 1,069,523.12 = 398,612.30 : x
  2. Step 2: Convert to fraction form
    713,987.42/1,069,523.12 = 398,612.30/x
  3. Step 3: Cross multiply
    713,987.42x = 1,069,523.12 × 398,612.30
  4. Step 4: Simplify right side
    713,987.42x = 426,325,070,766.38
  5. Step 5: Solve for x
    x = 426,325,070,766.38/713,987.42
  6. Step 6: Final answer
    x = 597,104.46

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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.