Home / 820,009.26-1,230,101.37-346,742.46

Finding the Fourth Proportional to 820,009.26, 1,230,101.37 and 346,742.46

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Solution

The fourth proportional to 820,009.26, 1,230,101.37 and 346,742.46 is: 520,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,009.26 : 1,230,101.37 = 346,742.46 : x
  2. Step 2: Convert to fraction form
    820,009.26/1,230,101.37 = 346,742.46/x
  3. Step 3: Cross multiply
    820,009.26x = 1,230,101.37 × 346,742.46
  4. Step 4: Simplify right side
    820,009.26x = 426,528,375,083.17
  5. Step 5: Solve for x
    x = 426,528,375,083.17/820,009.26
  6. Step 6: Final answer
    x = 520,150.68

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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.