Home / 994,214.80-1,491,570.60-320,359.60

Finding the Fourth Proportional to 994,214.80, 1,491,570.60 and 320,359.60

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Solution

The fourth proportional to 994,214.80, 1,491,570.60 and 320,359.60 is: 480,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,214.80 : 1,491,570.60 = 320,359.60 : x
  2. Step 2: Convert to fraction form
    994,214.80/1,491,570.60 = 320,359.60/x
  3. Step 3: Cross multiply
    994,214.80x = 1,491,570.60 × 320,359.60
  4. Step 4: Simplify right side
    994,214.80x = 477,838,960,787.76
  5. Step 5: Solve for x
    x = 477,838,960,787.76/994,214.80
  6. Step 6: Final answer
    x = 480,619.44

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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.