Finding the Fourth Proportional to 959,576.70, 1,438,052.85 and 638,816.70
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Solution
The fourth proportional to 959,576.70, 1,438,052.85 and 638,816.70 is: 957,351.48
Step by Step Solution
- Step 1: Write the proportion equation
959,576.70 : 1,438,052.85 = 638,816.70 : x - Step 2: Convert to fraction form
959,576.70/1,438,052.85 = 638,816.70/x - Step 3: Cross multiply
959,576.70x = 1,438,052.85 × 638,816.70 - Step 4: Simplify right side
959,576.70x = 918,652,176,062.60 - Step 5: Solve for x
x = 918,652,176,062.60/959,576.70 - Step 6: Final answer
x = 957,351.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.