Home / 914,815.80-1,372,442.40-441,111.60

Finding the Fourth Proportional to 914,815.80, 1,372,442.40 and 441,111.60

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Solution

The fourth proportional to 914,815.80, 1,372,442.40 and 441,111.60 is: 661,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,815.80 : 1,372,442.40 = 441,111.60 : x
  2. Step 2: Convert to fraction form
    914,815.80/1,372,442.40 = 441,111.60/x
  3. Step 3: Cross multiply
    914,815.80x = 1,372,442.40 × 441,111.60
  4. Step 4: Simplify right side
    914,815.80x = 605,400,262,971.84
  5. Step 5: Solve for x
    x = 605,400,262,971.84/914,815.80
  6. Step 6: Final answer
    x = 661,772.85

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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.