Home / 770,197.98-1,062,791.43-425,979.21

Finding the Fourth Proportional to 770,197.98, 1,062,791.43 and 425,979.21

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Solution

The fourth proportional to 770,197.98, 1,062,791.43 and 425,979.21 is: 587,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,197.98 : 1,062,791.43 = 425,979.21 : x
  2. Step 2: Convert to fraction form
    770,197.98/1,062,791.43 = 425,979.21/x
  3. Step 3: Cross multiply
    770,197.98x = 1,062,791.43 × 425,979.21
  4. Step 4: Simplify right side
    770,197.98x = 452,727,053,746.17
  5. Step 5: Solve for x
    x = 452,727,053,746.17/770,197.98
  6. Step 6: Final answer
    x = 587,806.08

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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.