Home / 729,501.30-1,091,627.55-493,305.30

Finding the Fourth Proportional to 729,501.30, 1,091,627.55 and 493,305.30

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Solution

The fourth proportional to 729,501.30, 1,091,627.55 and 493,305.30 is: 738,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,501.30 : 1,091,627.55 = 493,305.30 : x
  2. Step 2: Convert to fraction form
    729,501.30/1,091,627.55 = 493,305.30/x
  3. Step 3: Cross multiply
    729,501.30x = 1,091,627.55 × 493,305.30
  4. Step 4: Simplify right side
    729,501.30x = 538,505,656,041.02
  5. Step 5: Solve for x
    x = 538,505,656,041.02/729,501.30
  6. Step 6: Final answer
    x = 738,183.27

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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.