Home / 884,620.19-1,326,594.00-285,491.54

Finding the Fourth Proportional to 884,620.19, 1,326,594.00 and 285,491.54

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Solution

The fourth proportional to 884,620.19, 1,326,594.00 and 285,491.54 is: 428,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,620.19 : 1,326,594.00 = 285,491.54 : x
  2. Step 2: Convert to fraction form
    884,620.19/1,326,594.00 = 285,491.54/x
  3. Step 3: Cross multiply
    884,620.19x = 1,326,594.00 × 285,491.54
  4. Step 4: Simplify right side
    884,620.19x = 378,731,360,939.75
  5. Step 5: Solve for x
    x = 378,731,360,939.75/884,620.19
  6. Step 6: Final answer
    x = 428,128.78

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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.