Home / 904,699.96-1,248,500.25-491,236.51

Finding the Fourth Proportional to 904,699.96, 1,248,500.25 and 491,236.51

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Solution

The fourth proportional to 904,699.96, 1,248,500.25 and 491,236.51 is: 677,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,699.96 : 1,248,500.25 = 491,236.51 : x
  2. Step 2: Convert to fraction form
    904,699.96/1,248,500.25 = 491,236.51/x
  3. Step 3: Cross multiply
    904,699.96x = 1,248,500.25 × 491,236.51
  4. Step 4: Simplify right side
    904,699.96x = 613,308,902,828.28
  5. Step 5: Solve for x
    x = 613,308,902,828.28/904,699.96
  6. Step 6: Final answer
    x = 677,914.15

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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.