Home / 770,060.44-1,062,256.77-447,734.91

Finding the Fourth Proportional to 770,060.44, 1,062,256.77 and 447,734.91

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Solution

The fourth proportional to 770,060.44, 1,062,256.77 and 447,734.91 is: 617,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,060.44 : 1,062,256.77 = 447,734.91 : x
  2. Step 2: Convert to fraction form
    770,060.44/1,062,256.77 = 447,734.91/x
  3. Step 3: Cross multiply
    770,060.44x = 1,062,256.77 × 447,734.91
  4. Step 4: Simplify right side
    770,060.44x = 475,609,439,312.84
  5. Step 5: Solve for x
    x = 475,609,439,312.84/770,060.44
  6. Step 6: Final answer
    x = 617,626.12

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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.