Home / 770,122.26-1,062,676.32-425,911.48

Finding the Fourth Proportional to 770,122.26, 1,062,676.32 and 425,911.48

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Solution

The fourth proportional to 770,122.26, 1,062,676.32 and 425,911.48 is: 587,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,122.26 : 1,062,676.32 = 425,911.48 : x
  2. Step 2: Convert to fraction form
    770,122.26/1,062,676.32 = 425,911.48/x
  3. Step 3: Cross multiply
    770,122.26x = 1,062,676.32 × 425,911.48
  4. Step 4: Simplify right side
    770,122.26x = 452,606,044,212.15
  5. Step 5: Solve for x
    x = 452,606,044,212.15/770,122.26
  6. Step 6: Final answer
    x = 587,706.74

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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.