Home / 770,192.68-1,062,852.78-426,028.34

Finding the Fourth Proportional to 770,192.68, 1,062,852.78 and 426,028.34

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Solution

The fourth proportional to 770,192.68, 1,062,852.78 and 426,028.34 is: 587,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,192.68 : 1,062,852.78 = 426,028.34 : x
  2. Step 2: Convert to fraction form
    770,192.68/1,062,852.78 = 426,028.34/x
  3. Step 3: Cross multiply
    770,192.68x = 1,062,852.78 × 426,028.34
  4. Step 4: Simplify right side
    770,192.68x = 452,805,400,213.52
  5. Step 5: Solve for x
    x = 452,805,400,213.52/770,192.68
  6. Step 6: Final answer
    x = 587,911.85

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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.