Finding the Fourth Proportional to 683,911.49, 943,915.05 and 397,597.65
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Solution
The fourth proportional to 683,911.49, 943,915.05 and 397,597.65 is: 548,752.88
Step by Step Solution
- Step 1: Write the proportion equation
683,911.49 : 943,915.05 = 397,597.65 : x - Step 2: Convert to fraction form
683,911.49/943,915.05 = 397,597.65/x - Step 3: Cross multiply
683,911.49x = 943,915.05 × 397,597.65 - Step 4: Simplify right side
683,911.49x = 375,298,398,972.07 - Step 5: Solve for x
x = 375,298,398,972.07/683,911.49 - Step 6: Final answer
x = 548,752.88
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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.