Home / 734,863.20-1,102,294.80-314,181.60

Finding the Fourth Proportional to 734,863.20, 1,102,294.80 and 314,181.60

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Solution

The fourth proportional to 734,863.20, 1,102,294.80 and 314,181.60 is: 471,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,863.20 : 1,102,294.80 = 314,181.60 : x
  2. Step 2: Convert to fraction form
    734,863.20/1,102,294.80 = 314,181.60/x
  3. Step 3: Cross multiply
    734,863.20x = 1,102,294.80 × 314,181.60
  4. Step 4: Simplify right side
    734,863.20x = 346,320,743,935.68
  5. Step 5: Solve for x
    x = 346,320,743,935.68/734,863.20
  6. Step 6: Final answer
    x = 471,272.40

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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.