Finding the Fourth Proportional to 867,623.75, 1,197,312.44 and 499,965.82
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Solution
The fourth proportional to 867,623.75, 1,197,312.44 and 499,965.82 is: 689,948.02
Step by Step Solution
- Step 1: Write the proportion equation
867,623.75 : 1,197,312.44 = 499,965.82 : x - Step 2: Convert to fraction form
867,623.75/1,197,312.44 = 499,965.82/x - Step 3: Cross multiply
867,623.75x = 1,197,312.44 × 499,965.82 - Step 4: Simplify right side
867,623.75x = 598,615,290,367.69 - Step 5: Solve for x
x = 598,615,290,367.69/867,623.75 - Step 6: Final answer
x = 689,948.02
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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.