Home / 867,301.76-1,301,098.56-298,660.16

Finding the Fourth Proportional to 867,301.76, 1,301,098.56 and 298,660.16

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Solution

The fourth proportional to 867,301.76, 1,301,098.56 and 298,660.16 is: 448,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,301.76 : 1,301,098.56 = 298,660.16 : x
  2. Step 2: Convert to fraction form
    867,301.76/1,301,098.56 = 298,660.16/x
  3. Step 3: Cross multiply
    867,301.76x = 1,301,098.56 × 298,660.16
  4. Step 4: Simplify right side
    867,301.76x = 388,586,304,105.37
  5. Step 5: Solve for x
    x = 388,586,304,105.37/867,301.76
  6. Step 6: Final answer
    x = 448,040.49

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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.