Home / 850,735.71-1,276,478.88-451,278.57

Finding the Fourth Proportional to 850,735.71, 1,276,478.88 and 451,278.57

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Solution

The fourth proportional to 850,735.71, 1,276,478.88 and 451,278.57 is: 677,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,735.71 : 1,276,478.88 = 451,278.57 : x
  2. Step 2: Convert to fraction form
    850,735.71/1,276,478.88 = 451,278.57/x
  3. Step 3: Cross multiply
    850,735.71x = 1,276,478.88 × 451,278.57
  4. Step 4: Simplify right side
    850,735.71x = 576,047,563,601.60
  5. Step 5: Solve for x
    x = 576,047,563,601.60/850,735.71
  6. Step 6: Final answer
    x = 677,116.94

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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.