Home / 751,934.32-1,128,196.92-330,915.04

Finding the Fourth Proportional to 751,934.32, 1,128,196.92 and 330,915.04

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Solution

The fourth proportional to 751,934.32, 1,128,196.92 and 330,915.04 is: 496,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,934.32 : 1,128,196.92 = 330,915.04 : x
  2. Step 2: Convert to fraction form
    751,934.32/1,128,196.92 = 330,915.04/x
  3. Step 3: Cross multiply
    751,934.32x = 1,128,196.92 × 330,915.04
  4. Step 4: Simplify right side
    751,934.32x = 373,337,328,909.68
  5. Step 5: Solve for x
    x = 373,337,328,909.68/751,934.32
  6. Step 6: Final answer
    x = 496,502.58

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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.