Finding the Fourth Proportional to 910,655.57, 1,257,129.92 and 528,608.81
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Solution
The fourth proportional to 910,655.57, 1,257,129.92 and 528,608.81 is: 729,726.99
Step by Step Solution
- Step 1: Write the proportion equation
910,655.57 : 1,257,129.92 = 528,608.81 : x - Step 2: Convert to fraction form
910,655.57/1,257,129.92 = 528,608.81/x - Step 3: Cross multiply
910,655.57x = 1,257,129.92 × 528,608.81 - Step 4: Simplify right side
910,655.57x = 664,529,951,026.60 - Step 5: Solve for x
x = 664,529,951,026.60/910,655.57 - Step 6: Final answer
x = 729,726.99
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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.