Home / 770,490.26-1,063,256.07-426,317.21

Finding the Fourth Proportional to 770,490.26, 1,063,256.07 and 426,317.21

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Solution

The fourth proportional to 770,490.26, 1,063,256.07 and 426,317.21 is: 588,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,490.26 : 1,063,256.07 = 426,317.21 : x
  2. Step 2: Convert to fraction form
    770,490.26/1,063,256.07 = 426,317.21/x
  3. Step 3: Cross multiply
    770,490.26x = 1,063,256.07 × 426,317.21
  4. Step 4: Simplify right side
    770,490.26x = 453,284,361,277.97
  5. Step 5: Solve for x
    x = 453,284,361,277.97/770,490.26
  6. Step 6: Final answer
    x = 588,306.41

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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.