Home / 815,835.94-1,223,333.31-366,171.33

Finding the Fourth Proportional to 815,835.94, 1,223,333.31 and 366,171.33

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Solution

The fourth proportional to 815,835.94, 1,223,333.31 and 366,171.33 is: 549,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,835.94 : 1,223,333.31 = 366,171.33 : x
  2. Step 2: Convert to fraction form
    815,835.94/1,223,333.31 = 366,171.33/x
  3. Step 3: Cross multiply
    815,835.94x = 1,223,333.31 × 366,171.33
  4. Step 4: Simplify right side
    815,835.94x = 447,949,585,156.00
  5. Step 5: Solve for x
    x = 447,949,585,156.00/815,835.94
  6. Step 6: Final answer
    x = 549,068.22

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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.