Finding the Fourth Proportional to 781,282.14, 1,177,779.06 and 729,201.96
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Solution
The fourth proportional to 781,282.14, 1,177,779.06 and 729,201.96 is: 1,099,268.44
Step by Step Solution
- Step 1: Write the proportion equation
781,282.14 : 1,177,779.06 = 729,201.96 : x - Step 2: Convert to fraction form
781,282.14/1,177,779.06 = 729,201.96/x - Step 3: Cross multiply
781,282.14x = 1,177,779.06 × 729,201.96 - Step 4: Simplify right side
781,282.14x = 858,838,798,998.96 - Step 5: Solve for x
x = 858,838,798,998.96/781,282.14 - Step 6: Final answer
x = 1,099,268.44
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.