Home / 709,523.91-1,063,652.94-260,139.87

Finding the Fourth Proportional to 709,523.91, 1,063,652.94 and 260,139.87

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Solution

The fourth proportional to 709,523.91, 1,063,652.94 and 260,139.87 is: 389,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,523.91 : 1,063,652.94 = 260,139.87 : x
  2. Step 2: Convert to fraction form
    709,523.91/1,063,652.94 = 260,139.87/x
  3. Step 3: Cross multiply
    709,523.91x = 1,063,652.94 × 260,139.87
  4. Step 4: Simplify right side
    709,523.91x = 276,698,537,536.72
  5. Step 5: Solve for x
    x = 276,698,537,536.72/709,523.91
  6. Step 6: Final answer
    x = 389,977.75

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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.