Home / 940,911.35-1,298,450.67-511,195.01

Finding the Fourth Proportional to 940,911.35, 1,298,450.67 and 511,195.01

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Solution

The fourth proportional to 940,911.35, 1,298,450.67 and 511,195.01 is: 705,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,911.35 : 1,298,450.67 = 511,195.01 : x
  2. Step 2: Convert to fraction form
    940,911.35/1,298,450.67 = 511,195.01/x
  3. Step 3: Cross multiply
    940,911.35x = 1,298,450.67 × 511,195.01
  4. Step 4: Simplify right side
    940,911.35x = 663,761,503,235.16
  5. Step 5: Solve for x
    x = 663,761,503,235.16/940,911.35
  6. Step 6: Final answer
    x = 705,445.31

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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.