Home / 512,027.04-706,631.28-285,677.36

Finding the Fourth Proportional to 512,027.04, 706,631.28 and 285,677.36

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Solution

The fourth proportional to 512,027.04, 706,631.28 and 285,677.36 is: 394,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,027.04 : 706,631.28 = 285,677.36 : x
  2. Step 2: Convert to fraction form
    512,027.04/706,631.28 = 285,677.36/x
  3. Step 3: Cross multiply
    512,027.04x = 706,631.28 × 285,677.36
  4. Step 4: Simplify right side
    512,027.04x = 201,868,558,563.82
  5. Step 5: Solve for x
    x = 201,868,558,563.82/512,027.04
  6. Step 6: Final answer
    x = 394,253.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.