Finding the Fourth Proportional to 910,965.53, 1,257,119.30 and 503,084.63
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Solution
The fourth proportional to 910,965.53, 1,257,119.30 and 503,084.63 is: 694,249.53
Step by Step Solution
- Step 1: Write the proportion equation
910,965.53 : 1,257,119.30 = 503,084.63 : x - Step 2: Convert to fraction form
910,965.53/1,257,119.30 = 503,084.63/x - Step 3: Cross multiply
910,965.53x = 1,257,119.30 × 503,084.63 - Step 4: Simplify right side
910,965.53x = 632,437,389,105.34 - Step 5: Solve for x
x = 632,437,389,105.34/910,965.53 - Step 6: Final answer
x = 694,249.53
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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.