Finding the Fourth Proportional to 758,635.07, 1,138,116.62 and 403,597.49
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Solution
The fourth proportional to 758,635.07, 1,138,116.62 and 403,597.49 is: 605,483.49
Step by Step Solution
- Step 1: Write the proportion equation
758,635.07 : 1,138,116.62 = 403,597.49 : x - Step 2: Convert to fraction form
758,635.07/1,138,116.62 = 403,597.49/x - Step 3: Cross multiply
758,635.07x = 1,138,116.62 × 403,597.49 - Step 4: Simplify right side
758,635.07x = 459,341,006,477.69 - Step 5: Solve for x
x = 459,341,006,477.69/758,635.07 - Step 6: Final answer
x = 605,483.49
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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.