Finding the Fourth Proportional to 855,931.08, 1,181,183.09 and 493,352.49
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Solution
The fourth proportional to 855,931.08, 1,181,183.09 and 493,352.49 is: 680,825.40
Step by Step Solution
- Step 1: Write the proportion equation
855,931.08 : 1,181,183.09 = 493,352.49 : x - Step 2: Convert to fraction form
855,931.08/1,181,183.09 = 493,352.49/x - Step 3: Cross multiply
855,931.08x = 1,181,183.09 × 493,352.49 - Step 4: Simplify right side
855,931.08x = 582,739,616,130.63 - Step 5: Solve for x
x = 582,739,616,130.63/855,931.08 - Step 6: Final answer
x = 680,825.40
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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.