Home / 774,181.80-1,160,820.72-300,313.44

Finding the Fourth Proportional to 774,181.80, 1,160,820.72 and 300,313.44

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Solution

The fourth proportional to 774,181.80, 1,160,820.72 and 300,313.44 is: 450,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,181.80 : 1,160,820.72 = 300,313.44 : x
  2. Step 2: Convert to fraction form
    774,181.80/1,160,820.72 = 300,313.44/x
  3. Step 3: Cross multiply
    774,181.80x = 1,160,820.72 × 300,313.44
  4. Step 4: Simplify right side
    774,181.80x = 348,610,063,646.48
  5. Step 5: Solve for x
    x = 348,610,063,646.48/774,181.80
  6. Step 6: Final answer
    x = 450,294.83

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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.