Home / 815,465.38-1,223,102.94-216,473.08

Finding the Fourth Proportional to 815,465.38, 1,223,102.94 and 216,473.08

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Solution

The fourth proportional to 815,465.38, 1,223,102.94 and 216,473.08 is: 324,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,465.38 : 1,223,102.94 = 216,473.08 : x
  2. Step 2: Convert to fraction form
    815,465.38/1,223,102.94 = 216,473.08/x
  3. Step 3: Cross multiply
    815,465.38x = 1,223,102.94 × 216,473.08
  4. Step 4: Simplify right side
    815,465.38x = 264,768,860,578.86
  5. Step 5: Solve for x
    x = 264,768,860,578.86/815,465.38
  6. Step 6: Final answer
    x = 324,684.37

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1.5x scale

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.