Home / 904,663.30-1,248,457.05-491,217.51

Finding the Fourth Proportional to 904,663.30, 1,248,457.05 and 491,217.51

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Solution

The fourth proportional to 904,663.30, 1,248,457.05 and 491,217.51 is: 677,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,663.30 : 1,248,457.05 = 491,217.51 : x
  2. Step 2: Convert to fraction form
    904,663.30/1,248,457.05 = 491,217.51/x
  3. Step 3: Cross multiply
    904,663.30x = 1,248,457.05 × 491,217.51
  4. Step 4: Simplify right side
    904,663.30x = 613,263,962,049.55
  5. Step 5: Solve for x
    x = 613,263,962,049.55/904,663.30
  6. Step 6: Final answer
    x = 677,891.94

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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.