Finding the Fourth Proportional to 562,517.90, 776,276.74 and 304,394.82
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Solution
The fourth proportional to 562,517.90, 776,276.74 and 304,394.82 is: 420,065.95
Step by Step Solution
- Step 1: Write the proportion equation
562,517.90 : 776,276.74 = 304,394.82 : x - Step 2: Convert to fraction form
562,517.90/776,276.74 = 304,394.82/x - Step 3: Cross multiply
562,517.90x = 776,276.74 × 304,394.82 - Step 4: Simplify right side
562,517.90x = 236,294,618,542.49 - Step 5: Solve for x
x = 236,294,618,542.49/562,517.90 - Step 6: Final answer
x = 420,065.95
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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.