Home / 751,884.08-1,128,386.37-302,608.40

Finding the Fourth Proportional to 751,884.08, 1,128,386.37 and 302,608.40

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Solution

The fourth proportional to 751,884.08, 1,128,386.37 and 302,608.40 is: 454,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,884.08 : 1,128,386.37 = 302,608.40 : x
  2. Step 2: Convert to fraction form
    751,884.08/1,128,386.37 = 302,608.40/x
  3. Step 3: Cross multiply
    751,884.08x = 1,128,386.37 × 302,608.40
  4. Step 4: Simplify right side
    751,884.08x = 341,459,194,007.51
  5. Step 5: Solve for x
    x = 341,459,194,007.51/751,884.08
  6. Step 6: Final answer
    x = 454,138.08

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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.