Home / 734,010.20-1,101,015.30-521,433.80

Finding the Fourth Proportional to 734,010.20, 1,101,015.30 and 521,433.80

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Solution

The fourth proportional to 734,010.20, 1,101,015.30 and 521,433.80 is: 782,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,010.20 : 1,101,015.30 = 521,433.80 : x
  2. Step 2: Convert to fraction form
    734,010.20/1,101,015.30 = 521,433.80/x
  3. Step 3: Cross multiply
    734,010.20x = 1,101,015.30 × 521,433.80
  4. Step 4: Simplify right side
    734,010.20x = 574,106,591,737.14
  5. Step 5: Solve for x
    x = 574,106,591,737.14/734,010.20
  6. Step 6: Final answer
    x = 782,150.70

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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.