Home / 683,415.40-1,025,123.10-494,458.60

Finding the Fourth Proportional to 683,415.40, 1,025,123.10 and 494,458.60

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Solution

The fourth proportional to 683,415.40, 1,025,123.10 and 494,458.60 is: 741,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,415.40 : 1,025,123.10 = 494,458.60 : x
  2. Step 2: Convert to fraction form
    683,415.40/1,025,123.10 = 494,458.60/x
  3. Step 3: Cross multiply
    683,415.40x = 1,025,123.10 × 494,458.60
  4. Step 4: Simplify right side
    683,415.40x = 506,880,932,853.66
  5. Step 5: Solve for x
    x = 506,880,932,853.66/683,415.40
  6. Step 6: Final answer
    x = 741,687.90

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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.