Finding the Fourth Proportional to 822,980.79, 1,234,346.45 and 223,988.63
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Solution
The fourth proportional to 822,980.79, 1,234,346.45 and 223,988.63 is: 335,948.99
Step by Step Solution
- Step 1: Write the proportion equation
822,980.79 : 1,234,346.45 = 223,988.63 : x - Step 2: Convert to fraction form
822,980.79/1,234,346.45 = 223,988.63/x - Step 3: Cross multiply
822,980.79x = 1,234,346.45 × 223,988.63 - Step 4: Simplify right side
822,980.79x = 276,479,562,989.19 - Step 5: Solve for x
x = 276,479,562,989.19/822,980.79 - Step 6: Final answer
x = 335,948.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.