Home / 718,600.80-1,077,901.20-339,396.87

Finding the Fourth Proportional to 718,600.80, 1,077,901.20 and 339,396.87

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Solution

The fourth proportional to 718,600.80, 1,077,901.20 and 339,396.87 is: 509,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,600.80 : 1,077,901.20 = 339,396.87 : x
  2. Step 2: Convert to fraction form
    718,600.80/1,077,901.20 = 339,396.87/x
  3. Step 3: Cross multiply
    718,600.80x = 1,077,901.20 × 339,396.87
  4. Step 4: Simplify right side
    718,600.80x = 365,836,293,449.24
  5. Step 5: Solve for x
    x = 365,836,293,449.24/718,600.80
  6. Step 6: Final answer
    x = 509,095.31

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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.