Finding the Fourth Proportional to 864,308.49, 1,192,738.82 and 501,765.99
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Solution
The fourth proportional to 864,308.49, 1,192,738.82 and 501,765.99 is: 692,433.06
Step by Step Solution
- Step 1: Write the proportion equation
864,308.49 : 1,192,738.82 = 501,765.99 : x - Step 2: Convert to fraction form
864,308.49/1,192,738.82 = 501,765.99/x - Step 3: Cross multiply
864,308.49x = 1,192,738.82 × 501,765.99 - Step 4: Simplify right side
864,308.49x = 598,475,772,319.90 - Step 5: Solve for x
x = 598,475,772,319.90/864,308.49 - Step 6: Final answer
x = 692,433.06
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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.