Home / 698,394.52-1,047,523.74-225,419.32

Finding the Fourth Proportional to 698,394.52, 1,047,523.74 and 225,419.32

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Solution

The fourth proportional to 698,394.52, 1,047,523.74 and 225,419.32 is: 338,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,394.52 : 1,047,523.74 = 225,419.32 : x
  2. Step 2: Convert to fraction form
    698,394.52/1,047,523.74 = 225,419.32/x
  3. Step 3: Cross multiply
    698,394.52x = 1,047,523.74 × 225,419.32
  4. Step 4: Simplify right side
    698,394.52x = 236,132,089,154.66
  5. Step 5: Solve for x
    x = 236,132,089,154.66/698,394.52
  6. Step 6: Final answer
    x = 338,107.02

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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.