Home / 535,629.15-739,143.45-293,905.71

Finding the Fourth Proportional to 535,629.15, 739,143.45 and 293,905.71

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Solution

The fourth proportional to 535,629.15, 739,143.45 and 293,905.71 is: 405,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,629.15 : 739,143.45 = 293,905.71 : x
  2. Step 2: Convert to fraction form
    535,629.15/739,143.45 = 293,905.71/x
  3. Step 3: Cross multiply
    535,629.15x = 739,143.45 × 293,905.71
  4. Step 4: Simplify right side
    535,629.15x = 217,238,480,464.10
  5. Step 5: Solve for x
    x = 217,238,480,464.10/535,629.15
  6. Step 6: Final answer
    x = 405,576.28

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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.