Home / 898,952.36-1,240,558.54-491,059.86

Finding the Fourth Proportional to 898,952.36, 1,240,558.54 and 491,059.86

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Solution

The fourth proportional to 898,952.36, 1,240,558.54 and 491,059.86 is: 677,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,952.36 : 1,240,558.54 = 491,059.86 : x
  2. Step 2: Convert to fraction form
    898,952.36/1,240,558.54 = 491,059.86/x
  3. Step 3: Cross multiply
    898,952.36x = 1,240,558.54 × 491,059.86
  4. Step 4: Simplify right side
    898,952.36x = 609,188,502,974.20
  5. Step 5: Solve for x
    x = 609,188,502,974.20/898,952.36
  6. Step 6: Final answer
    x = 677,664.95

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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.