Finding the Fourth Proportional to 578,849.84, 798,841.26 and 349,403.48
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Solution
The fourth proportional to 578,849.84, 798,841.26 and 349,403.48 is: 482,193.99
Step by Step Solution
- Step 1: Write the proportion equation
578,849.84 : 798,841.26 = 349,403.48 : x - Step 2: Convert to fraction form
578,849.84/798,841.26 = 349,403.48/x - Step 3: Cross multiply
578,849.84x = 798,841.26 × 349,403.48 - Step 4: Simplify right side
578,849.84x = 279,117,912,217.38 - Step 5: Solve for x
x = 279,117,912,217.38/578,849.84 - Step 6: Final answer
x = 482,193.99
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1.5x scale
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.