Finding the Fourth Proportional to 981,946.47, 1,355,139.73 and 552,252.00
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Solution
The fourth proportional to 981,946.47, 1,355,139.73 and 552,252.00 is: 762,137.90
Step by Step Solution
- Step 1: Write the proportion equation
981,946.47 : 1,355,139.73 = 552,252.00 : x - Step 2: Convert to fraction form
981,946.47/1,355,139.73 = 552,252.00/x - Step 3: Cross multiply
981,946.47x = 1,355,139.73 × 552,252.00 - Step 4: Simplify right side
981,946.47x = 748,378,619,396.26 - Step 5: Solve for x
x = 748,378,619,396.26/981,946.47 - Step 6: Final answer
x = 762,137.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.