Finding the Fourth Proportional to 557,871.12, 769,845.97 and 316,176.03
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Solution
The fourth proportional to 557,871.12, 769,845.97 and 316,176.03 is: 436,313.75
Step by Step Solution
- Step 1: Write the proportion equation
557,871.12 : 769,845.97 = 316,176.03 : x - Step 2: Convert to fraction form
557,871.12/769,845.97 = 316,176.03/x - Step 3: Cross multiply
557,871.12x = 769,845.97 × 316,176.03 - Step 4: Simplify right side
557,871.12x = 243,406,841,715.66 - Step 5: Solve for x
x = 243,406,841,715.66/557,871.12 - Step 6: Final answer
x = 436,313.75
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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.