Finding the Fourth Proportional to 578,665.46, 798,486.44 and 323,975.54
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Solution
The fourth proportional to 578,665.46, 798,486.44 and 323,975.54 is: 447,045.99
Step by Step Solution
- Step 1: Write the proportion equation
578,665.46 : 798,486.44 = 323,975.54 : x - Step 2: Convert to fraction form
578,665.46/798,486.44 = 323,975.54/x - Step 3: Cross multiply
578,665.46x = 798,486.44 × 323,975.54 - Step 4: Simplify right side
578,665.46x = 258,690,075,581.68 - Step 5: Solve for x
x = 258,690,075,581.68/578,665.46 - Step 6: Final answer
x = 447,045.99
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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.