Finding the Fourth Proportional to 708,160.68, 1,062,555.05 and 371,121.30
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Solution
The fourth proportional to 708,160.68, 1,062,555.05 and 371,121.30 is: 556,846.52
Step by Step Solution
- Step 1: Write the proportion equation
708,160.68 : 1,062,555.05 = 371,121.30 : x - Step 2: Convert to fraction form
708,160.68/1,062,555.05 = 371,121.30/x - Step 3: Cross multiply
708,160.68x = 1,062,555.05 × 371,121.30 - Step 4: Simplify right side
708,160.68x = 394,336,809,621.96 - Step 5: Solve for x
x = 394,336,809,621.96/708,160.68 - Step 6: Final answer
x = 556,846.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.