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Finding the Fourth Proportional to 535,832.88, 740,063.07 and 352,889.25

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Solution

The fourth proportional to 535,832.88, 740,063.07 and 352,889.25 is: 487,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,832.88 : 740,063.07 = 352,889.25 : x
  2. Step 2: Convert to fraction form
    535,832.88/740,063.07 = 352,889.25/x
  3. Step 3: Cross multiply
    535,832.88x = 740,063.07 × 352,889.25
  4. Step 4: Simplify right side
    535,832.88x = 261,160,301,725.00
  5. Step 5: Solve for x
    x = 261,160,301,725.00/535,832.88
  6. Step 6: Final answer
    x = 487,391.33

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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.