Finding the Fourth Proportional to 753,020.88, 1,129,280.74 and 303,625.68
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Solution
The fourth proportional to 753,020.88, 1,129,280.74 and 303,625.68 is: 455,337.48
Step by Step Solution
- Step 1: Write the proportion equation
753,020.88 : 1,129,280.74 = 303,625.68 : x - Step 2: Convert to fraction form
753,020.88/1,129,280.74 = 303,625.68/x - Step 3: Cross multiply
753,020.88x = 1,129,280.74 × 303,625.68 - Step 4: Simplify right side
753,020.88x = 342,878,632,593.40 - Step 5: Solve for x
x = 342,878,632,593.40/753,020.88 - Step 6: Final answer
x = 455,337.48
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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.