Finding the Fourth Proportional to 468,645.40, 702,968.10 and 343,307.80
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Solution
The fourth proportional to 468,645.40, 702,968.10 and 343,307.80 is: 514,961.70
Step by Step Solution
- Step 1: Write the proportion equation
468,645.40 : 702,968.10 = 343,307.80 : x - Step 2: Convert to fraction form
468,645.40/702,968.10 = 343,307.80/x - Step 3: Cross multiply
468,645.40x = 702,968.10 × 343,307.80 - Step 4: Simplify right side
468,645.40x = 241,334,431,881.18 - Step 5: Solve for x
x = 241,334,431,881.18/468,645.40 - Step 6: Final answer
x = 514,961.70
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1.5x scale
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.