Home / 439,743.60-659,615.40-203,547.60

Finding the Fourth Proportional to 439,743.60, 659,615.40 and 203,547.60

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Solution

The fourth proportional to 439,743.60, 659,615.40 and 203,547.60 is: 305,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,743.60 : 659,615.40 = 203,547.60 : x
  2. Step 2: Convert to fraction form
    439,743.60/659,615.40 = 203,547.60/x
  3. Step 3: Cross multiply
    439,743.60x = 659,615.40 × 203,547.60
  4. Step 4: Simplify right side
    439,743.60x = 134,263,131,593.04
  5. Step 5: Solve for x
    x = 134,263,131,593.04/439,743.60
  6. Step 6: Final answer
    x = 305,321.40

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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.