Home / 867,931.62-1,301,959.79-299,304.54

Finding the Fourth Proportional to 867,931.62, 1,301,959.79 and 299,304.54

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Solution

The fourth proportional to 867,931.62, 1,301,959.79 and 299,304.54 is: 448,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,931.62 : 1,301,959.79 = 299,304.54 : x
  2. Step 2: Convert to fraction form
    867,931.62/1,301,959.79 = 299,304.54/x
  3. Step 3: Cross multiply
    867,931.62x = 1,301,959.79 × 299,304.54
  4. Step 4: Simplify right side
    867,931.62x = 389,682,476,044.45
  5. Step 5: Solve for x
    x = 389,682,476,044.45/867,931.62
  6. Step 6: Final answer
    x = 448,978.31

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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.