Finding the Fourth Proportional to 981,820.44, 1,470,368.68 and 559,816.92
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Solution
The fourth proportional to 981,820.44, 1,470,368.68 and 559,816.92 is: 838,378.62
Step by Step Solution
- Step 1: Write the proportion equation
981,820.44 : 1,470,368.68 = 559,816.92 : x - Step 2: Convert to fraction form
981,820.44/1,470,368.68 = 559,816.92/x - Step 3: Cross multiply
981,820.44x = 1,470,368.68 × 559,816.92 - Step 4: Simplify right side
981,820.44x = 823,137,265,702.07 - Step 5: Solve for x
x = 823,137,265,702.07/981,820.44 - Step 6: Final answer
x = 838,378.62
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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.