Home / 816,272.52-1,224,422.82-283,810.92

Finding the Fourth Proportional to 816,272.52, 1,224,422.82 and 283,810.92

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Solution

The fourth proportional to 816,272.52, 1,224,422.82 and 283,810.92 is: 425,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,272.52 : 1,224,422.82 = 283,810.92 : x
  2. Step 2: Convert to fraction form
    816,272.52/1,224,422.82 = 283,810.92/x
  3. Step 3: Cross multiply
    816,272.52x = 1,224,422.82 × 283,810.92
  4. Step 4: Simplify right side
    816,272.52x = 347,504,567,013.19
  5. Step 5: Solve for x
    x = 347,504,567,013.19/816,272.52
  6. Step 6: Final answer
    x = 425,721.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.