Home / 727,742.08-1,091,823.56-301,199.04

Finding the Fourth Proportional to 727,742.08, 1,091,823.56 and 301,199.04

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Solution

The fourth proportional to 727,742.08, 1,091,823.56 and 301,199.04 is: 451,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,742.08 : 1,091,823.56 = 301,199.04 : x
  2. Step 2: Convert to fraction form
    727,742.08/1,091,823.56 = 301,199.04/x
  3. Step 3: Cross multiply
    727,742.08x = 1,091,823.56 × 301,199.04
  4. Step 4: Simplify right side
    727,742.08x = 328,856,208,121.38
  5. Step 5: Solve for x
    x = 328,856,208,121.38/727,742.08
  6. Step 6: Final answer
    x = 451,885.66

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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.