Home / 815,840.94-1,223,340.81-366,176.34

Finding the Fourth Proportional to 815,840.94, 1,223,340.81 and 366,176.34

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Solution

The fourth proportional to 815,840.94, 1,223,340.81 and 366,176.34 is: 549,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,840.94 : 1,223,340.81 = 366,176.34 : x
  2. Step 2: Convert to fraction form
    815,840.94/1,223,340.81 = 366,176.34/x
  3. Step 3: Cross multiply
    815,840.94x = 1,223,340.81 × 366,176.34
  4. Step 4: Simplify right side
    815,840.94x = 447,958,460,378.44
  5. Step 5: Solve for x
    x = 447,958,460,378.44/815,840.94
  6. Step 6: Final answer
    x = 549,075.73

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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.