Home / 945,620.20-1,418,559.90-314,468.20

Finding the Fourth Proportional to 945,620.20, 1,418,559.90 and 314,468.20

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Solution

The fourth proportional to 945,620.20, 1,418,559.90 and 314,468.20 is: 471,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,620.20 : 1,418,559.90 = 314,468.20 : x
  2. Step 2: Convert to fraction form
    945,620.20/1,418,559.90 = 314,468.20/x
  3. Step 3: Cross multiply
    945,620.20x = 1,418,559.90 × 314,468.20
  4. Step 4: Simplify right side
    945,620.20x = 446,091,978,345.18
  5. Step 5: Solve for x
    x = 446,091,978,345.18/945,620.20
  6. Step 6: Final answer
    x = 471,745.40

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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.