Home / 785,915.32-1,179,103.02-253,425.64

Finding the Fourth Proportional to 785,915.32, 1,179,103.02 and 253,425.64

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Solution

The fourth proportional to 785,915.32, 1,179,103.02 and 253,425.64 is: 380,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,915.32 : 1,179,103.02 = 253,425.64 : x
  2. Step 2: Convert to fraction form
    785,915.32/1,179,103.02 = 253,425.64/x
  3. Step 3: Cross multiply
    785,915.32x = 1,179,103.02 × 253,425.64
  4. Step 4: Simplify right side
    785,915.32x = 298,814,937,469.43
  5. Step 5: Solve for x
    x = 298,814,937,469.43/785,915.32
  6. Step 6: Final answer
    x = 380,212.64

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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.