Home / 751,883.31-1,128,385.35-302,607.90

Finding the Fourth Proportional to 751,883.31, 1,128,385.35 and 302,607.90

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Solution

The fourth proportional to 751,883.31, 1,128,385.35 and 302,607.90 is: 454,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,883.31 : 1,128,385.35 = 302,607.90 : x
  2. Step 2: Convert to fraction form
    751,883.31/1,128,385.35 = 302,607.90/x
  3. Step 3: Cross multiply
    751,883.31x = 1,128,385.35 × 302,607.90
  4. Step 4: Simplify right side
    751,883.31x = 341,458,321,154.27
  5. Step 5: Solve for x
    x = 341,458,321,154.27/751,883.31
  6. Step 6: Final answer
    x = 454,137.39

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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.