Home / 898,468.26-1,239,876.75-490,568.82

Finding the Fourth Proportional to 898,468.26, 1,239,876.75 and 490,568.82

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Solution

The fourth proportional to 898,468.26, 1,239,876.75 and 490,568.82 is: 676,979.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,468.26 : 1,239,876.75 = 490,568.82 : x
  2. Step 2: Convert to fraction form
    898,468.26/1,239,876.75 = 490,568.82/x
  3. Step 3: Cross multiply
    898,468.26x = 1,239,876.75 × 490,568.82
  4. Step 4: Simplify right side
    898,468.26x = 608,244,867,993.55
  5. Step 5: Solve for x
    x = 608,244,867,993.55/898,468.26
  6. Step 6: Final answer
    x = 676,979.81

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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.