Home / 904,665.56-1,248,460.16-491,219.76

Finding the Fourth Proportional to 904,665.56, 1,248,460.16 and 491,219.76

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Solution

The fourth proportional to 904,665.56, 1,248,460.16 and 491,219.76 is: 677,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,665.56 : 1,248,460.16 = 491,219.76 : x
  2. Step 2: Convert to fraction form
    904,665.56/1,248,460.16 = 491,219.76/x
  3. Step 3: Cross multiply
    904,665.56x = 1,248,460.16 × 491,219.76
  4. Step 4: Simplify right side
    904,665.56x = 613,268,297,708.66
  5. Step 5: Solve for x
    x = 613,268,297,708.66/904,665.56
  6. Step 6: Final answer
    x = 677,895.05

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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.