Home / 904,021.25-1,247,733.92-521,996.09

Finding the Fourth Proportional to 904,021.25, 1,247,733.92 and 521,996.09

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Solution

The fourth proportional to 904,021.25, 1,247,733.92 and 521,996.09 is: 720,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,021.25 : 1,247,733.92 = 521,996.09 : x
  2. Step 2: Convert to fraction form
    904,021.25/1,247,733.92 = 521,996.09/x
  3. Step 3: Cross multiply
    904,021.25x = 1,247,733.92 × 521,996.09
  4. Step 4: Simplify right side
    904,021.25x = 651,312,228,109.73
  5. Step 5: Solve for x
    x = 651,312,228,109.73/904,021.25
  6. Step 6: Final answer
    x = 720,461.19

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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.