Home / 769,808.88-1,062,317.43-425,636.07

Finding the Fourth Proportional to 769,808.88, 1,062,317.43 and 425,636.07

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Solution

The fourth proportional to 769,808.88, 1,062,317.43 and 425,636.07 is: 587,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,808.88 : 1,062,317.43 = 425,636.07 : x
  2. Step 2: Convert to fraction form
    769,808.88/1,062,317.43 = 425,636.07/x
  3. Step 3: Cross multiply
    769,808.88x = 1,062,317.43 × 425,636.07
  4. Step 4: Simplify right side
    769,808.88x = 452,160,612,014.01
  5. Step 5: Solve for x
    x = 452,160,612,014.01/769,808.88
  6. Step 6: Final answer
    x = 587,367.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.