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Finding the Fourth Proportional to 534,220.20, 801,330.30 and 510,600.60

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Solution

The fourth proportional to 534,220.20, 801,330.30 and 510,600.60 is: 765,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,220.20 : 801,330.30 = 510,600.60 : x
  2. Step 2: Convert to fraction form
    534,220.20/801,330.30 = 510,600.60/x
  3. Step 3: Cross multiply
    534,220.20x = 801,330.30 × 510,600.60
  4. Step 4: Simplify right side
    534,220.20x = 409,159,731,978.18
  5. Step 5: Solve for x
    x = 409,159,731,978.18/534,220.20
  6. Step 6: Final answer
    x = 765,900.90

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Half scale
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Double scale
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Similar ratio
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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.