Home / 770,062.43-1,062,259.54-447,736.91

Finding the Fourth Proportional to 770,062.43, 1,062,259.54 and 447,736.91

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Solution

The fourth proportional to 770,062.43, 1,062,259.54 and 447,736.91 is: 617,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,062.43 : 1,062,259.54 = 447,736.91 : x
  2. Step 2: Convert to fraction form
    770,062.43/1,062,259.54 = 447,736.91/x
  3. Step 3: Cross multiply
    770,062.43x = 1,062,259.54 × 447,736.91
  4. Step 4: Simplify right side
    770,062.43x = 475,612,797,626.98
  5. Step 5: Solve for x
    x = 475,612,797,626.98/770,062.43
  6. Step 6: Final answer
    x = 617,628.88

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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.