Home / 756,187.08-1,134,804.48-300,731.64

Finding the Fourth Proportional to 756,187.08, 1,134,804.48 and 300,731.64

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Solution

The fourth proportional to 756,187.08, 1,134,804.48 and 300,731.64 is: 451,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,187.08 : 1,134,804.48 = 300,731.64 : x
  2. Step 2: Convert to fraction form
    756,187.08/1,134,804.48 = 300,731.64/x
  3. Step 3: Cross multiply
    756,187.08x = 1,134,804.48 × 300,731.64
  4. Step 4: Simplify right side
    756,187.08x = 341,271,612,349.75
  5. Step 5: Solve for x
    x = 341,271,612,349.75/756,187.08
  6. Step 6: Final answer
    x = 451,305.80

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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.