Home / 940,406.42-1,297,749.42-510,689.61

Finding the Fourth Proportional to 940,406.42, 1,297,749.42 and 510,689.61

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Solution

The fourth proportional to 940,406.42, 1,297,749.42 and 510,689.61 is: 704,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,406.42 : 1,297,749.42 = 510,689.61 : x
  2. Step 2: Convert to fraction form
    940,406.42/1,297,749.42 = 510,689.61/x
  3. Step 3: Cross multiply
    940,406.42x = 1,297,749.42 × 510,689.61
  4. Step 4: Simplify right side
    940,406.42x = 662,747,145,177.53
  5. Step 5: Solve for x
    x = 662,747,145,177.53/940,406.42
  6. Step 6: Final answer
    x = 704,745.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.