Home / 862,938.86-1,294,991.49-301,978.22

Finding the Fourth Proportional to 862,938.86, 1,294,991.49 and 301,978.22

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Solution

The fourth proportional to 862,938.86, 1,294,991.49 and 301,978.22 is: 453,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,938.86 : 1,294,991.49 = 301,978.22 : x
  2. Step 2: Convert to fraction form
    862,938.86/1,294,991.49 = 301,978.22/x
  3. Step 3: Cross multiply
    862,938.86x = 1,294,991.49 × 301,978.22
  4. Step 4: Simplify right side
    862,938.86x = 391,059,225,065.35
  5. Step 5: Solve for x
    x = 391,059,225,065.35/862,938.86
  6. Step 6: Final answer
    x = 453,171.42

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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.