Home / 401,395.02-601,975.89-261,893.58

Finding the Fourth Proportional to 401,395.02, 601,975.89 and 261,893.58

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Solution

The fourth proportional to 401,395.02, 601,975.89 and 261,893.58 is: 392,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,395.02 : 601,975.89 = 261,893.58 : x
  2. Step 2: Convert to fraction form
    401,395.02/601,975.89 = 261,893.58/x
  3. Step 3: Cross multiply
    401,395.02x = 601,975.89 × 261,893.58
  4. Step 4: Simplify right side
    401,395.02x = 157,653,620,905.79
  5. Step 5: Solve for x
    x = 157,653,620,905.79/401,395.02
  6. Step 6: Final answer
    x = 392,764.27

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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.