Home / 800,690.88-1,200,984.48-302,041.92

Finding the Fourth Proportional to 800,690.88, 1,200,984.48 and 302,041.92

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Solution

The fourth proportional to 800,690.88, 1,200,984.48 and 302,041.92 is: 453,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,690.88 : 1,200,984.48 = 302,041.92 : x
  2. Step 2: Convert to fraction form
    800,690.88/1,200,984.48 = 302,041.92/x
  3. Step 3: Cross multiply
    800,690.88x = 1,200,984.48 × 302,041.92
  4. Step 4: Simplify right side
    800,690.88x = 362,747,658,229.40
  5. Step 5: Solve for x
    x = 362,747,658,229.40/800,690.88
  6. Step 6: Final answer
    x = 453,043.32

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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.