Home / 708,129.48-1,061,474-281,967.02

Finding the Fourth Proportional to 708,129.48, 1,061,474 and 281,967.02

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Solution

The fourth proportional to 708,129.48, 1,061,474 and 281,967.02 is: 422,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,129.48 : 1,061,474 = 281,967.02 : x
  2. Step 2: Convert to fraction form
    708,129.48/1,061,474 = 281,967.02/x
  3. Step 3: Cross multiply
    708,129.48x = 1,061,474 × 281,967.02
  4. Step 4: Simplify right side
    708,129.48x = 299,300,660,587.48
  5. Step 5: Solve for x
    x = 299,300,660,587.48/708,129.48
  6. Step 6: Final answer
    x = 422,663.75

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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.