Home / 909,020.72-1,363,531.04-277,934.48

Finding the Fourth Proportional to 909,020.72, 1,363,531.04 and 277,934.48

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Solution

The fourth proportional to 909,020.72, 1,363,531.04 and 277,934.48 is: 416,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,020.72 : 1,363,531.04 = 277,934.48 : x
  2. Step 2: Convert to fraction form
    909,020.72/1,363,531.04 = 277,934.48/x
  3. Step 3: Cross multiply
    909,020.72x = 1,363,531.04 × 277,934.48
  4. Step 4: Simplify right side
    909,020.72x = 378,972,290,566.26
  5. Step 5: Solve for x
    x = 378,972,290,566.26/909,020.72
  6. Step 6: Final answer
    x = 416,901.71

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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.