Home / 972,486.36-1,458,560.04-439,882.60

Finding the Fourth Proportional to 972,486.36, 1,458,560.04 and 439,882.60

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Solution

The fourth proportional to 972,486.36, 1,458,560.04 and 439,882.60 is: 659,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,486.36 : 1,458,560.04 = 439,882.60 : x
  2. Step 2: Convert to fraction form
    972,486.36/1,458,560.04 = 439,882.60/x
  3. Step 3: Cross multiply
    972,486.36x = 1,458,560.04 × 439,882.60
  4. Step 4: Simplify right side
    972,486.36x = 641,595,182,651.30
  5. Step 5: Solve for x
    x = 641,595,182,651.30/972,486.36
  6. Step 6: Final answer
    x = 659,747.23

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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.