Home / 719,252.64-1,077,976.82-381,459.56

Finding the Fourth Proportional to 719,252.64, 1,077,976.82 and 381,459.56

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Solution

The fourth proportional to 719,252.64, 1,077,976.82 and 381,459.56 is: 571,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,252.64 : 1,077,976.82 = 381,459.56 : x
  2. Step 2: Convert to fraction form
    719,252.64/1,077,976.82 = 381,459.56/x
  3. Step 3: Cross multiply
    719,252.64x = 1,077,976.82 × 381,459.56
  4. Step 4: Simplify right side
    719,252.64x = 411,204,556,150.22
  5. Step 5: Solve for x
    x = 411,204,556,150.22/719,252.64
  6. Step 6: Final answer
    x = 571,710.87

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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.