Home / 940,912.64-1,298,465.60-511,192.64

Finding the Fourth Proportional to 940,912.64, 1,298,465.60 and 511,192.64

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Solution

The fourth proportional to 940,912.64, 1,298,465.60 and 511,192.64 is: 705,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,912.64 : 1,298,465.60 = 511,192.64 : x
  2. Step 2: Convert to fraction form
    940,912.64/1,298,465.60 = 511,192.64/x
  3. Step 3: Cross multiply
    940,912.64x = 1,298,465.60 × 511,192.64
  4. Step 4: Simplify right side
    940,912.64x = 663,766,058,013.18
  5. Step 5: Solve for x
    x = 663,766,058,013.18/940,912.64
  6. Step 6: Final answer
    x = 705,449.19

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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.