Finding the Fourth Proportional to 557,669.04, 769,580.61 and 315,951.09
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Solution
The fourth proportional to 557,669.04, 769,580.61 and 315,951.09 is: 436,010.99
Step by Step Solution
- Step 1: Write the proportion equation
557,669.04 : 769,580.61 = 315,951.09 : x - Step 2: Convert to fraction form
557,669.04/769,580.61 = 315,951.09/x - Step 3: Cross multiply
557,669.04x = 769,580.61 × 315,951.09 - Step 4: Simplify right side
557,669.04x = 243,149,832,572.37 - Step 5: Solve for x
x = 243,149,832,572.37/557,669.04 - Step 6: Final answer
x = 436,010.99
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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.