Home / 940,406.70-1,297,749.81-510,689.91

Finding the Fourth Proportional to 940,406.70, 1,297,749.81 and 510,689.91

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Solution

The fourth proportional to 940,406.70, 1,297,749.81 and 510,689.91 is: 704,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,406.70 : 1,297,749.81 = 510,689.91 : x
  2. Step 2: Convert to fraction form
    940,406.70/1,297,749.81 = 510,689.91/x
  3. Step 3: Cross multiply
    940,406.70x = 1,297,749.81 × 510,689.91
  4. Step 4: Simplify right side
    940,406.70x = 662,747,733,671.42
  5. Step 5: Solve for x
    x = 662,747,733,671.42/940,406.70
  6. Step 6: Final answer
    x = 704,745.87

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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.