Home / 815,815.59-1,223,303.19-366,150.97

Finding the Fourth Proportional to 815,815.59, 1,223,303.19 and 366,150.97

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Solution

The fourth proportional to 815,815.59, 1,223,303.19 and 366,150.97 is: 549,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,815.59 : 1,223,303.19 = 366,150.97 : x
  2. Step 2: Convert to fraction form
    815,815.59/1,223,303.19 = 366,150.97/x
  3. Step 3: Cross multiply
    815,815.59x = 1,223,303.19 × 366,150.97
  4. Step 4: Simplify right side
    815,815.59x = 447,913,649,622.59
  5. Step 5: Solve for x
    x = 447,913,649,622.59/815,815.59
  6. Step 6: Final answer
    x = 549,037.86

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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.