Finding the Fourth Proportional to 578,850.84, 798,842.64 and 349,404.48
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Solution
The fourth proportional to 578,850.84, 798,842.64 and 349,404.48 is: 482,195.37
Step by Step Solution
- Step 1: Write the proportion equation
578,850.84 : 798,842.64 = 349,404.48 : x - Step 2: Convert to fraction form
578,850.84/798,842.64 = 349,404.48/x - Step 3: Cross multiply
578,850.84x = 798,842.64 × 349,404.48 - Step 4: Simplify right side
578,850.84x = 279,119,197,231.03 - Step 5: Solve for x
x = 279,119,197,231.03/578,850.84 - Step 6: Final answer
x = 482,195.37
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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.