Home / 709,536.18-1,063,739.16-409,676.61

Finding the Fourth Proportional to 709,536.18, 1,063,739.16 and 409,676.61

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Solution

The fourth proportional to 709,536.18, 1,063,739.16 and 409,676.61 is: 614,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,536.18 : 1,063,739.16 = 409,676.61 : x
  2. Step 2: Convert to fraction form
    709,536.18/1,063,739.16 = 409,676.61/x
  3. Step 3: Cross multiply
    709,536.18x = 1,063,739.16 × 409,676.61
  4. Step 4: Simplify right side
    709,536.18x = 435,789,052,993.05
  5. Step 5: Solve for x
    x = 435,789,052,993.05/709,536.18
  6. Step 6: Final answer
    x = 614,188.63

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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.