Finding the Fourth Proportional to 758,979.24, 1,047,328.56 and 419,446.68
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Solution
The fourth proportional to 758,979.24, 1,047,328.56 and 419,446.68 is: 578,801.72
Step by Step Solution
- Step 1: Write the proportion equation
758,979.24 : 1,047,328.56 = 419,446.68 : x - Step 2: Convert to fraction form
758,979.24/1,047,328.56 = 419,446.68/x - Step 3: Cross multiply
758,979.24x = 1,047,328.56 × 419,446.68 - Step 4: Simplify right side
758,979.24x = 439,298,487,361.18 - Step 5: Solve for x
x = 439,298,487,361.18/758,979.24 - Step 6: Final answer
x = 578,801.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.