Home / 940,148.70-1,297,406.07-510,428.58

Finding the Fourth Proportional to 940,148.70, 1,297,406.07 and 510,428.58

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Solution

The fourth proportional to 940,148.70, 1,297,406.07 and 510,428.58 is: 704,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,148.70 : 1,297,406.07 = 510,428.58 : x
  2. Step 2: Convert to fraction form
    940,148.70/1,297,406.07 = 510,428.58/x
  3. Step 3: Cross multiply
    940,148.70x = 1,297,406.07 × 510,428.58
  4. Step 4: Simplify right side
    940,148.70x = 662,233,137,993.48
  5. Step 5: Solve for x
    x = 662,233,137,993.48/940,148.70
  6. Step 6: Final answer
    x = 704,391.91

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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.