Home / 850,171-1,275,664.77-530,240.74

Finding the Fourth Proportional to 850,171, 1,275,664.77 and 530,240.74

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Solution

The fourth proportional to 850,171, 1,275,664.77 and 530,240.74 is: 795,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,171 : 1,275,664.77 = 530,240.74 : x
  2. Step 2: Convert to fraction form
    850,171/1,275,664.77 = 530,240.74/x
  3. Step 3: Cross multiply
    850,171x = 1,275,664.77 × 530,240.74
  4. Step 4: Simplify right side
    850,171x = 676,409,431,636.73
  5. Step 5: Solve for x
    x = 676,409,431,636.73/850,171
  6. Step 6: Final answer
    x = 795,615.74

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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.