Home / 829,131.80-1,244,004.90-330,853.40

Finding the Fourth Proportional to 829,131.80, 1,244,004.90 and 330,853.40

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Solution

The fourth proportional to 829,131.80, 1,244,004.90 and 330,853.40 is: 496,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,131.80 : 1,244,004.90 = 330,853.40 : x
  2. Step 2: Convert to fraction form
    829,131.80/1,244,004.90 = 330,853.40/x
  3. Step 3: Cross multiply
    829,131.80x = 1,244,004.90 × 330,853.40
  4. Step 4: Simplify right side
    829,131.80x = 411,583,250,781.66
  5. Step 5: Solve for x
    x = 411,583,250,781.66/829,131.80
  6. Step 6: Final answer
    x = 496,402.68

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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.