Home / 909,828-1,364,747.49-404,270.16

Finding the Fourth Proportional to 909,828, 1,364,747.49 and 404,270.16

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Solution

The fourth proportional to 909,828, 1,364,747.49 and 404,270.16 is: 606,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,828 : 1,364,747.49 = 404,270.16 : x
  2. Step 2: Convert to fraction form
    909,828/1,364,747.49 = 404,270.16/x
  3. Step 3: Cross multiply
    909,828x = 1,364,747.49 × 404,270.16
  4. Step 4: Simplify right side
    909,828x = 551,726,686,141.90
  5. Step 5: Solve for x
    x = 551,726,686,141.90/909,828
  6. Step 6: Final answer
    x = 606,407.68

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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.