Home / 512,076.42-706,665.02-285,721.92

Finding the Fourth Proportional to 512,076.42, 706,665.02 and 285,721.92

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Solution

The fourth proportional to 512,076.42, 706,665.02 and 285,721.92 is: 394,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,076.42 : 706,665.02 = 285,721.92 : x
  2. Step 2: Convert to fraction form
    512,076.42/706,665.02 = 285,721.92/x
  3. Step 3: Cross multiply
    512,076.42x = 706,665.02 × 285,721.92
  4. Step 4: Simplify right side
    512,076.42x = 201,909,686,311.24
  5. Step 5: Solve for x
    x = 201,909,686,311.24/512,076.42
  6. Step 6: Final answer
    x = 394,296.00

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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.