Home / 985,382.08-1,477,613.64-511,940.32

Finding the Fourth Proportional to 985,382.08, 1,477,613.64 and 511,940.32

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Solution

The fourth proportional to 985,382.08, 1,477,613.64 and 511,940.32 is: 767,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,382.08 : 1,477,613.64 = 511,940.32 : x
  2. Step 2: Convert to fraction form
    985,382.08/1,477,613.64 = 511,940.32/x
  3. Step 3: Cross multiply
    985,382.08x = 1,477,613.64 × 511,940.32
  4. Step 4: Simplify right side
    985,382.08x = 756,449,999,697.97
  5. Step 5: Solve for x
    x = 756,449,999,697.97/985,382.08
  6. Step 6: Final answer
    x = 767,671.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.