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Finding the Fourth Proportional to 534,483.71, 800,610.05 and 320,573.24

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Solution

The fourth proportional to 534,483.71, 800,610.05 and 320,573.24 is: 480,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,483.71 : 800,610.05 = 320,573.24 : x
  2. Step 2: Convert to fraction form
    534,483.71/800,610.05 = 320,573.24/x
  3. Step 3: Cross multiply
    534,483.71x = 800,610.05 × 320,573.24
  4. Step 4: Simplify right side
    534,483.71x = 256,654,156,102.20
  5. Step 5: Solve for x
    x = 256,654,156,102.20/534,483.71
  6. Step 6: Final answer
    x = 480,190.79

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1.5x scale

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.