Home / 835,644.51-1,253,146.86-355,572.02

Finding the Fourth Proportional to 835,644.51, 1,253,146.86 and 355,572.02

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Solution

The fourth proportional to 835,644.51, 1,253,146.86 and 355,572.02 is: 533,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,644.51 : 1,253,146.86 = 355,572.02 : x
  2. Step 2: Convert to fraction form
    835,644.51/1,253,146.86 = 355,572.02/x
  3. Step 3: Cross multiply
    835,644.51x = 1,253,146.86 × 355,572.02
  4. Step 4: Simplify right side
    835,644.51x = 445,583,954,101.12
  5. Step 5: Solve for x
    x = 445,583,954,101.12/835,644.51
  6. Step 6: Final answer
    x = 533,221.90

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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.