Home / 751,257.60-1,128,052.80-436,329.60

Finding the Fourth Proportional to 751,257.60, 1,128,052.80 and 436,329.60

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Solution

The fourth proportional to 751,257.60, 1,128,052.80 and 436,329.60 is: 655,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,257.60 : 1,128,052.80 = 436,329.60 : x
  2. Step 2: Convert to fraction form
    751,257.60/1,128,052.80 = 436,329.60/x
  3. Step 3: Cross multiply
    751,257.60x = 1,128,052.80 × 436,329.60
  4. Step 4: Simplify right side
    751,257.60x = 492,202,827,002.88
  5. Step 5: Solve for x
    x = 492,202,827,002.88/751,257.60
  6. Step 6: Final answer
    x = 655,171.84

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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.