Home / 727,071.08-1,091,104.81-253,756.44

Finding the Fourth Proportional to 727,071.08, 1,091,104.81 and 253,756.44

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Solution

The fourth proportional to 727,071.08, 1,091,104.81 and 253,756.44 is: 380,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,071.08 : 1,091,104.81 = 253,756.44 : x
  2. Step 2: Convert to fraction form
    727,071.08/1,091,104.81 = 253,756.44/x
  3. Step 3: Cross multiply
    727,071.08x = 1,091,104.81 × 253,756.44
  4. Step 4: Simplify right side
    727,071.08x = 276,874,871,618.09
  5. Step 5: Solve for x
    x = 276,874,871,618.09/727,071.08
  6. Step 6: Final answer
    x = 380,808.54

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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.