Finding the Fourth Proportional to 792,978.06, 1,094,295.99 and 430,394.13
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Solution
The fourth proportional to 792,978.06, 1,094,295.99 and 430,394.13 is: 593,936.44
Step by Step Solution
- Step 1: Write the proportion equation
792,978.06 : 1,094,295.99 = 430,394.13 : x - Step 2: Convert to fraction form
792,978.06/1,094,295.99 = 430,394.13/x - Step 3: Cross multiply
792,978.06x = 1,094,295.99 × 430,394.13 - Step 4: Simplify right side
792,978.06x = 470,978,562,955.09 - Step 5: Solve for x
x = 470,978,562,955.09/792,978.06 - Step 6: Final answer
x = 593,936.44
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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.