Home / 738,278.80-1,107,418.20-365,030.80

Finding the Fourth Proportional to 738,278.80, 1,107,418.20 and 365,030.80

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Solution

The fourth proportional to 738,278.80, 1,107,418.20 and 365,030.80 is: 547,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,278.80 : 1,107,418.20 = 365,030.80 : x
  2. Step 2: Convert to fraction form
    738,278.80/1,107,418.20 = 365,030.80/x
  3. Step 3: Cross multiply
    738,278.80x = 1,107,418.20 × 365,030.80
  4. Step 4: Simplify right side
    738,278.80x = 404,241,751,480.56
  5. Step 5: Solve for x
    x = 404,241,751,480.56/738,278.80
  6. Step 6: Final answer
    x = 547,546.20

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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.