Home / 994,072.20-1,491,302.70-394,931.40

Finding the Fourth Proportional to 994,072.20, 1,491,302.70 and 394,931.40

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Solution

The fourth proportional to 994,072.20, 1,491,302.70 and 394,931.40 is: 592,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,072.20 : 1,491,302.70 = 394,931.40 : x
  2. Step 2: Convert to fraction form
    994,072.20/1,491,302.70 = 394,931.40/x
  3. Step 3: Cross multiply
    994,072.20x = 1,491,302.70 × 394,931.40
  4. Step 4: Simplify right side
    994,072.20x = 588,962,263,134.78
  5. Step 5: Solve for x
    x = 588,962,263,134.78/994,072.20
  6. Step 6: Final answer
    x = 592,474.33

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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.