Home / 972,023.80-1,458,473.10-439,270.60

Finding the Fourth Proportional to 972,023.80, 1,458,473.10 and 439,270.60

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Solution

The fourth proportional to 972,023.80, 1,458,473.10 and 439,270.60 is: 659,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,023.80 : 1,458,473.10 = 439,270.60 : x
  2. Step 2: Convert to fraction form
    972,023.80/1,458,473.10 = 439,270.60/x
  3. Step 3: Cross multiply
    972,023.80x = 1,458,473.10 × 439,270.60
  4. Step 4: Simplify right side
    972,023.80x = 640,664,353,720.86
  5. Step 5: Solve for x
    x = 640,664,353,720.86/972,023.80
  6. Step 6: Final answer
    x = 659,103.57

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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.