Home / 773,921.94-1,160,960.67-287,734.02

Finding the Fourth Proportional to 773,921.94, 1,160,960.67 and 287,734.02

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Solution

The fourth proportional to 773,921.94, 1,160,960.67 and 287,734.02 is: 431,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,921.94 : 1,160,960.67 = 287,734.02 : x
  2. Step 2: Convert to fraction form
    773,921.94/1,160,960.67 = 287,734.02/x
  3. Step 3: Cross multiply
    773,921.94x = 1,160,960.67 × 287,734.02
  4. Step 4: Simplify right side
    773,921.94x = 334,047,880,640.99
  5. Step 5: Solve for x
    x = 334,047,880,640.99/773,921.94
  6. Step 6: Final answer
    x = 431,629.94

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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.