Finding the Fourth Proportional to 968,623.13, 1,453,261.68 and 428,804.96
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Solution
The fourth proportional to 968,623.13, 1,453,261.68 and 428,804.96 is: 643,352.19
Step by Step Solution
- Step 1: Write the proportion equation
968,623.13 : 1,453,261.68 = 428,804.96 : x - Step 2: Convert to fraction form
968,623.13/1,453,261.68 = 428,804.96/x - Step 3: Cross multiply
968,623.13x = 1,453,261.68 × 428,804.96 - Step 4: Simplify right side
968,623.13x = 623,165,816,561.93 - Step 5: Solve for x
x = 623,165,816,561.93/968,623.13 - Step 6: Final answer
x = 643,352.19
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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.