Finding the Fourth Proportional to 880,918.63, 1,215,647.31 and 513,372.36
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Solution
The fourth proportional to 880,918.63, 1,215,647.31 and 513,372.36 is: 708,441.96
Step by Step Solution
- Step 1: Write the proportion equation
880,918.63 : 1,215,647.31 = 513,372.36 : x - Step 2: Convert to fraction form
880,918.63/1,215,647.31 = 513,372.36/x - Step 3: Cross multiply
880,918.63x = 1,215,647.31 × 513,372.36 - Step 4: Simplify right side
880,918.63x = 624,079,722,384.12 - Step 5: Solve for x
x = 624,079,722,384.12/880,918.63 - Step 6: Final answer
x = 708,441.96
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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.