Home / 898,040.69-1,347,238.49-329,427.07

Finding the Fourth Proportional to 898,040.69, 1,347,238.49 and 329,427.07

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Solution

The fourth proportional to 898,040.69, 1,347,238.49 and 329,427.07 is: 494,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,040.69 : 1,347,238.49 = 329,427.07 : x
  2. Step 2: Convert to fraction form
    898,040.69/1,347,238.49 = 329,427.07/x
  3. Step 3: Cross multiply
    898,040.69x = 1,347,238.49 × 329,427.07
  4. Step 4: Simplify right side
    898,040.69x = 443,816,828,351.92
  5. Step 5: Solve for x
    x = 443,816,828,351.92/898,040.69
  6. Step 6: Final answer
    x = 494,205.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.