Home / 498,256.50-687,239.73-332,601.06

Finding the Fourth Proportional to 498,256.50, 687,239.73 and 332,601.06

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Solution

The fourth proportional to 498,256.50, 687,239.73 and 332,601.06 is: 458,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,256.50 : 687,239.73 = 332,601.06 : x
  2. Step 2: Convert to fraction form
    498,256.50/687,239.73 = 332,601.06/x
  3. Step 3: Cross multiply
    498,256.50x = 687,239.73 × 332,601.06
  4. Step 4: Simplify right side
    498,256.50x = 228,576,662,672.11
  5. Step 5: Solve for x
    x = 228,576,662,672.11/498,256.50
  6. Step 6: Final answer
    x = 458,753.00

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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.