Home / 940,676.60-1,298,138.74-510,960.26

Finding the Fourth Proportional to 940,676.60, 1,298,138.74 and 510,960.26

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Solution

The fourth proportional to 940,676.60, 1,298,138.74 and 510,960.26 is: 705,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,676.60 : 1,298,138.74 = 510,960.26 : x
  2. Step 2: Convert to fraction form
    940,676.60/1,298,138.74 = 510,960.26/x
  3. Step 3: Cross multiply
    940,676.60x = 1,298,138.74 × 510,960.26
  4. Step 4: Simplify right side
    940,676.60x = 663,297,308,106.47
  5. Step 5: Solve for x
    x = 663,297,308,106.47/940,676.60
  6. Step 6: Final answer
    x = 705,127.89

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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.