Finding the Fourth Proportional to 912,115.08, 1,368,467.94 and 438,738.84
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Solution
The fourth proportional to 912,115.08, 1,368,467.94 and 438,738.84 is: 658,250.31
Step by Step Solution
- Step 1: Write the proportion equation
912,115.08 : 1,368,467.94 = 438,738.84 : x - Step 2: Convert to fraction form
912,115.08/1,368,467.94 = 438,738.84/x - Step 3: Cross multiply
912,115.08x = 1,368,467.94 × 438,738.84 - Step 4: Simplify right side
912,115.08x = 600,400,036,572.79 - Step 5: Solve for x
x = 600,400,036,572.79/912,115.08 - Step 6: Final answer
x = 658,250.31
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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.