Finding the Fourth Proportional to 753,021.13, 1,129,281.11 and 303,625.93
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Solution
The fourth proportional to 753,021.13, 1,129,281.11 and 303,625.93 is: 455,337.86
Step by Step Solution
- Step 1: Write the proportion equation
753,021.13 : 1,129,281.11 = 303,625.93 : x - Step 2: Convert to fraction form
753,021.13/1,129,281.11 = 303,625.93/x - Step 3: Cross multiply
753,021.13x = 1,129,281.11 × 303,625.93 - Step 4: Simplify right side
753,021.13x = 342,879,027,255.18 - Step 5: Solve for x
x = 342,879,027,255.18/753,021.13 - Step 6: Final answer
x = 455,337.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.