Home / 715,710.52-1,073,570.37-210,269.44

Finding the Fourth Proportional to 715,710.52, 1,073,570.37 and 210,269.44

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Solution

The fourth proportional to 715,710.52, 1,073,570.37 and 210,269.44 is: 315,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,710.52 : 1,073,570.37 = 210,269.44 : x
  2. Step 2: Convert to fraction form
    715,710.52/1,073,570.37 = 210,269.44/x
  3. Step 3: Cross multiply
    715,710.52x = 1,073,570.37 × 210,269.44
  4. Step 4: Simplify right side
    715,710.52x = 225,739,040,500.49
  5. Step 5: Solve for x
    x = 225,739,040,500.49/715,710.52
  6. Step 6: Final answer
    x = 315,405.51

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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.