Home / 770,872.69-1,063,791.42-426,701.24

Finding the Fourth Proportional to 770,872.69, 1,063,791.42 and 426,701.24

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Solution

The fourth proportional to 770,872.69, 1,063,791.42 and 426,701.24 is: 588,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,872.69 : 1,063,791.42 = 426,701.24 : x
  2. Step 2: Convert to fraction form
    770,872.69/1,063,791.42 = 426,701.24/x
  3. Step 3: Cross multiply
    770,872.69x = 1,063,791.42 × 426,701.24
  4. Step 4: Simplify right side
    770,872.69x = 453,921,112,696.40
  5. Step 5: Solve for x
    x = 453,921,112,696.40/770,872.69
  6. Step 6: Final answer
    x = 588,840.57

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Double scale
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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.