Home / 994,039.20-1,491,253.20-394,898.40

Finding the Fourth Proportional to 994,039.20, 1,491,253.20 and 394,898.40

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Solution

The fourth proportional to 994,039.20, 1,491,253.20 and 394,898.40 is: 592,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,039.20 : 1,491,253.20 = 394,898.40 : x
  2. Step 2: Convert to fraction form
    994,039.20/1,491,253.20 = 394,898.40/x
  3. Step 3: Cross multiply
    994,039.20x = 1,491,253.20 × 394,898.40
  4. Step 4: Simplify right side
    994,039.20x = 588,893,502,674.88
  5. Step 5: Solve for x
    x = 588,893,502,674.88/994,039.20
  6. Step 6: Final answer
    x = 592,424.83

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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.