Home / 799,681.75-1,199,732.92-287,398.63

Finding the Fourth Proportional to 799,681.75, 1,199,732.92 and 287,398.63

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Solution

The fourth proportional to 799,681.75, 1,199,732.92 and 287,398.63 is: 431,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,681.75 : 1,199,732.92 = 287,398.63 : x
  2. Step 2: Convert to fraction form
    799,681.75/1,199,732.92 = 287,398.63/x
  3. Step 3: Cross multiply
    799,681.75x = 1,199,732.92 × 287,398.63
  4. Step 4: Simplify right side
    799,681.75x = 344,801,598,355.07
  5. Step 5: Solve for x
    x = 344,801,598,355.07/799,681.75
  6. Step 6: Final answer
    x = 431,173.53

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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.