Finding the Fourth Proportional to 943,380.47, 1,301,868.18 and 513,663.19
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Solution
The fourth proportional to 943,380.47, 1,301,868.18 and 513,663.19 is: 708,856.90
Step by Step Solution
- Step 1: Write the proportion equation
943,380.47 : 1,301,868.18 = 513,663.19 : x - Step 2: Convert to fraction form
943,380.47/1,301,868.18 = 513,663.19/x - Step 3: Cross multiply
943,380.47x = 1,301,868.18 × 513,663.19 - Step 4: Simplify right side
943,380.47x = 668,721,759,043.62 - Step 5: Solve for x
x = 668,721,759,043.62/943,380.47 - Step 6: Final answer
x = 708,856.90
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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.