Home / 751,775.27-1,128,223.41-302,500.03

Finding the Fourth Proportional to 751,775.27, 1,128,223.41 and 302,500.03

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Solution

The fourth proportional to 751,775.27, 1,128,223.41 and 302,500.03 is: 453,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,775.27 : 1,128,223.41 = 302,500.03 : x
  2. Step 2: Convert to fraction form
    751,775.27/1,128,223.41 = 302,500.03/x
  3. Step 3: Cross multiply
    751,775.27x = 1,128,223.41 × 302,500.03
  4. Step 4: Simplify right side
    751,775.27x = 341,287,615,969.52
  5. Step 5: Solve for x
    x = 341,287,615,969.52/751,775.27
  6. Step 6: Final answer
    x = 453,975.58

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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.