Home / 696,845.96-1,045,649.79-270,398.52

Finding the Fourth Proportional to 696,845.96, 1,045,649.79 and 270,398.52

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Solution

The fourth proportional to 696,845.96, 1,045,649.79 and 270,398.52 is: 405,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,845.96 : 1,045,649.79 = 270,398.52 : x
  2. Step 2: Convert to fraction form
    696,845.96/1,045,649.79 = 270,398.52/x
  3. Step 3: Cross multiply
    696,845.96x = 1,045,649.79 × 270,398.52
  4. Step 4: Simplify right side
    696,845.96x = 282,742,155,654.31
  5. Step 5: Solve for x
    x = 282,742,155,654.31/696,845.96
  6. Step 6: Final answer
    x = 405,745.56

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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.