Home / 770,048.70-1,062,613.26-447,735.93

Finding the Fourth Proportional to 770,048.70, 1,062,613.26 and 447,735.93

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Solution

The fourth proportional to 770,048.70, 1,062,613.26 and 447,735.93 is: 617,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,048.70 : 1,062,613.26 = 447,735.93 : x
  2. Step 2: Convert to fraction form
    770,048.70/1,062,613.26 = 447,735.93/x
  3. Step 3: Cross multiply
    770,048.70x = 1,062,613.26 × 447,735.93
  4. Step 4: Simplify right side
    770,048.70x = 475,770,136,196.43
  5. Step 5: Solve for x
    x = 475,770,136,196.43/770,048.70
  6. Step 6: Final answer
    x = 617,844.22

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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.