Finding the Fourth Proportional to 649,371.73, 896,055.36 and 358,944.07
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Solution
The fourth proportional to 649,371.73, 896,055.36 and 358,944.07 is: 495,299.91
Step by Step Solution
- Step 1: Write the proportion equation
649,371.73 : 896,055.36 = 358,944.07 : x - Step 2: Convert to fraction form
649,371.73/896,055.36 = 358,944.07/x - Step 3: Cross multiply
649,371.73x = 896,055.36 × 358,944.07 - Step 4: Simplify right side
649,371.73x = 321,633,757,863.72 - Step 5: Solve for x
x = 321,633,757,863.72/649,371.73 - Step 6: Final answer
x = 495,299.91
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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.