Home / 675,146.72-1,012,941.60-276,122.96

Finding the Fourth Proportional to 675,146.72, 1,012,941.60 and 276,122.96

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Solution

The fourth proportional to 675,146.72, 1,012,941.60 and 276,122.96 is: 414,275.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,146.72 : 1,012,941.60 = 276,122.96 : x
  2. Step 2: Convert to fraction form
    675,146.72/1,012,941.60 = 276,122.96/x
  3. Step 3: Cross multiply
    675,146.72x = 1,012,941.60 × 276,122.96
  4. Step 4: Simplify right side
    675,146.72x = 279,696,432,899.14
  5. Step 5: Solve for x
    x = 279,696,432,899.14/675,146.72
  6. Step 6: Final answer
    x = 414,275.04

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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.