Finding the Fourth Proportional to 891,119.52, 1,229,809.98 and 509,138.10
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Solution
The fourth proportional to 891,119.52, 1,229,809.98 and 509,138.10 is: 702,647.74
Step by Step Solution
- Step 1: Write the proportion equation
891,119.52 : 1,229,809.98 = 509,138.10 : x - Step 2: Convert to fraction form
891,119.52/1,229,809.98 = 509,138.10/x - Step 3: Cross multiply
891,119.52x = 1,229,809.98 × 509,138.10 - Step 4: Simplify right side
891,119.52x = 626,143,116,578.24 - Step 5: Solve for x
x = 626,143,116,578.24/891,119.52 - Step 6: Final answer
x = 702,647.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.