Home / 940,884.09-1,298,426.25-511,164.10

Finding the Fourth Proportional to 940,884.09, 1,298,426.25 and 511,164.10

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Solution

The fourth proportional to 940,884.09, 1,298,426.25 and 511,164.10 is: 705,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,884.09 : 1,298,426.25 = 511,164.10 : x
  2. Step 2: Convert to fraction form
    940,884.09/1,298,426.25 = 511,164.10/x
  3. Step 3: Cross multiply
    940,884.09x = 1,298,426.25 × 511,164.10
  4. Step 4: Simplify right side
    940,884.09x = 663,708,889,037.52
  5. Step 5: Solve for x
    x = 663,708,889,037.52/940,884.09
  6. Step 6: Final answer
    x = 705,409.84

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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.