Finding the Fourth Proportional to 943,174.13, 1,301,580.29 and 513,428.63
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Solution
The fourth proportional to 943,174.13, 1,301,580.29 and 513,428.63 is: 708,531.50
Step by Step Solution
- Step 1: Write the proportion equation
943,174.13 : 1,301,580.29 = 513,428.63 : x - Step 2: Convert to fraction form
943,174.13/1,301,580.29 = 513,428.63/x - Step 3: Cross multiply
943,174.13x = 1,301,580.29 × 513,428.63 - Step 4: Simplify right side
943,174.13x = 668,268,579,905.37 - Step 5: Solve for x
x = 668,268,579,905.37/943,174.13 - Step 6: Final answer
x = 708,531.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.