Finding the Fourth Proportional to 862,497.52, 1,190,218.66 and 495,035.14
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Solution
The fourth proportional to 862,497.52, 1,190,218.66 and 495,035.14 is: 683,132.47
Step by Step Solution
- Step 1: Write the proportion equation
862,497.52 : 1,190,218.66 = 495,035.14 : x - Step 2: Convert to fraction form
862,497.52/1,190,218.66 = 495,035.14/x - Step 3: Cross multiply
862,497.52x = 1,190,218.66 × 495,035.14 - Step 4: Simplify right side
862,497.52x = 589,200,060,983.71 - Step 5: Solve for x
x = 589,200,060,983.71/862,497.52 - Step 6: Final answer
x = 683,132.47
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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.