Home / 702,421.48-1,052,713.34-281,992.36

Finding the Fourth Proportional to 702,421.48, 1,052,713.34 and 281,992.36

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Solution

The fourth proportional to 702,421.48, 1,052,713.34 and 281,992.36 is: 422,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,421.48 : 1,052,713.34 = 281,992.36 : x
  2. Step 2: Convert to fraction form
    702,421.48/1,052,713.34 = 281,992.36/x
  3. Step 3: Cross multiply
    702,421.48x = 1,052,713.34 × 281,992.36
  4. Step 4: Simplify right side
    702,421.48x = 296,857,119,150.08
  5. Step 5: Solve for x
    x = 296,857,119,150.08/702,421.48
  6. Step 6: Final answer
    x = 422,619.65

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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.