Home / 744,230.87-1,027,114.85-438,403.49

Finding the Fourth Proportional to 744,230.87, 1,027,114.85 and 438,403.49

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Solution

The fourth proportional to 744,230.87, 1,027,114.85 and 438,403.49 is: 605,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,230.87 : 1,027,114.85 = 438,403.49 : x
  2. Step 2: Convert to fraction form
    744,230.87/1,027,114.85 = 438,403.49/x
  3. Step 3: Cross multiply
    744,230.87x = 1,027,114.85 × 438,403.49
  4. Step 4: Simplify right side
    744,230.87x = 450,290,734,870.83
  5. Step 5: Solve for x
    x = 450,290,734,870.83/744,230.87
  6. Step 6: Final answer
    x = 605,041.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.