Home / 718,969.87-1,078,455.16-245,659.87

Finding the Fourth Proportional to 718,969.87, 1,078,455.16 and 245,659.87

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Solution

The fourth proportional to 718,969.87, 1,078,455.16 and 245,659.87 is: 368,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,969.87 : 1,078,455.16 = 245,659.87 : x
  2. Step 2: Convert to fraction form
    718,969.87/1,078,455.16 = 245,659.87/x
  3. Step 3: Cross multiply
    718,969.87x = 1,078,455.16 × 245,659.87
  4. Step 4: Simplify right side
    718,969.87x = 264,933,149,014.15
  5. Step 5: Solve for x
    x = 264,933,149,014.15/718,969.87
  6. Step 6: Final answer
    x = 368,489.92

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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.