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Finding the Fourth Proportional to 535,104.70, 801,587.63 and 321,755.81

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Solution

The fourth proportional to 535,104.70, 801,587.63 and 321,755.81 is: 481,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,104.70 : 801,587.63 = 321,755.81 : x
  2. Step 2: Convert to fraction form
    535,104.70/801,587.63 = 321,755.81/x
  3. Step 3: Cross multiply
    535,104.70x = 801,587.63 × 321,755.81
  4. Step 4: Simplify right side
    535,104.70x = 257,915,477,176.63
  5. Step 5: Solve for x
    x = 257,915,477,176.63/535,104.70
  6. Step 6: Final answer
    x = 481,990.68

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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.