Finding the Fourth Proportional to 562,396.92, 776,107.80 and 307,748.13
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Solution
The fourth proportional to 562,396.92, 776,107.80 and 307,748.13 is: 424,692.45
Step by Step Solution
- Step 1: Write the proportion equation
562,396.92 : 776,107.80 = 307,748.13 : x - Step 2: Convert to fraction form
562,396.92/776,107.80 = 307,748.13/x - Step 3: Cross multiply
562,396.92x = 776,107.80 × 307,748.13 - Step 4: Simplify right side
562,396.92x = 238,845,724,128.41 - Step 5: Solve for x
x = 238,845,724,128.41/562,396.92 - Step 6: Final answer
x = 424,692.45
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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.