Home / 815,933.61-1,223,478.09-366,267.33

Finding the Fourth Proportional to 815,933.61, 1,223,478.09 and 366,267.33

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Solution

The fourth proportional to 815,933.61, 1,223,478.09 and 366,267.33 is: 549,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,933.61 : 1,223,478.09 = 366,267.33 : x
  2. Step 2: Convert to fraction form
    815,933.61/1,223,478.09 = 366,267.33/x
  3. Step 3: Cross multiply
    815,933.61x = 1,223,478.09 × 366,267.33
  4. Step 4: Simplify right side
    815,933.61x = 448,120,053,337.80
  5. Step 5: Solve for x
    x = 448,120,053,337.80/815,933.61
  6. Step 6: Final answer
    x = 549,211.42

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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.