Home / 940,921.86-1,298,465.16-511,205.52

Finding the Fourth Proportional to 940,921.86, 1,298,465.16 and 511,205.52

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Solution

The fourth proportional to 940,921.86, 1,298,465.16 and 511,205.52 is: 705,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,921.86 : 1,298,465.16 = 511,205.52 : x
  2. Step 2: Convert to fraction form
    940,921.86/1,298,465.16 = 511,205.52/x
  3. Step 3: Cross multiply
    940,921.86x = 1,298,465.16 × 511,205.52
  4. Step 4: Simplify right side
    940,921.86x = 663,782,557,319.68
  5. Step 5: Solve for x
    x = 663,782,557,319.68/940,921.86
  6. Step 6: Final answer
    x = 705,459.81

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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.