Home / 770,059.81-1,062,255.92-447,734.28

Finding the Fourth Proportional to 770,059.81, 1,062,255.92 and 447,734.28

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Solution

The fourth proportional to 770,059.81, 1,062,255.92 and 447,734.28 is: 617,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,059.81 : 1,062,255.92 = 447,734.28 : x
  2. Step 2: Convert to fraction form
    770,059.81/1,062,255.92 = 447,734.28/x
  3. Step 3: Cross multiply
    770,059.81x = 1,062,255.92 × 447,734.28
  4. Step 4: Simplify right side
    770,059.81x = 475,608,387,278.27
  5. Step 5: Solve for x
    x = 475,608,387,278.27/770,059.81
  6. Step 6: Final answer
    x = 617,625.26

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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.