Finding the Fourth Proportional to 850,986.99, 1,173,990.06 and 609,181.38
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Solution
The fourth proportional to 850,986.99, 1,173,990.06 and 609,181.38 is: 840,404.02
Step by Step Solution
- Step 1: Write the proportion equation
850,986.99 : 1,173,990.06 = 609,181.38 : x - Step 2: Convert to fraction form
850,986.99/1,173,990.06 = 609,181.38/x - Step 3: Cross multiply
850,986.99x = 1,173,990.06 × 609,181.38 - Step 4: Simplify right side
850,986.99x = 715,172,884,857.08 - Step 5: Solve for x
x = 715,172,884,857.08/850,986.99 - Step 6: Final answer
x = 840,404.02
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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.