Finding the Fourth Proportional to 737,765.08, 1,015,971.87 and 640,924.72
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Solution
The fourth proportional to 737,765.08, 1,015,971.87 and 640,924.72 is: 882,613.59
Step by Step Solution
- Step 1: Write the proportion equation
737,765.08 : 1,015,971.87 = 640,924.72 : x - Step 2: Convert to fraction form
737,765.08/1,015,971.87 = 640,924.72/x - Step 3: Cross multiply
737,765.08x = 1,015,971.87 × 640,924.72 - Step 4: Simplify right side
737,765.08x = 651,161,486,307.63 - Step 5: Solve for x
x = 651,161,486,307.63/737,765.08 - Step 6: Final answer
x = 882,613.59
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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.