Home / 769,858.32-1,062,311.75-425,647.74

Finding the Fourth Proportional to 769,858.32, 1,062,311.75 and 425,647.74

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Solution

The fourth proportional to 769,858.32, 1,062,311.75 and 425,647.74 is: 587,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,858.32 : 1,062,311.75 = 425,647.74 : x
  2. Step 2: Convert to fraction form
    769,858.32/1,062,311.75 = 425,647.74/x
  3. Step 3: Cross multiply
    769,858.32x = 1,062,311.75 × 425,647.74
  4. Step 4: Simplify right side
    769,858.32x = 452,170,593,434.71
  5. Step 5: Solve for x
    x = 452,170,593,434.71/769,858.32
  6. Step 6: Final answer
    x = 587,342.61

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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.