Finding the Fourth Proportional to 981,466.95, 1,355,456.99 and 874,479.62
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Solution
The fourth proportional to 981,466.95, 1,355,456.99 and 874,479.62 is: 1,207,701.92
Step by Step Solution
- Step 1: Write the proportion equation
981,466.95 : 1,355,456.99 = 874,479.62 : x - Step 2: Convert to fraction form
981,466.95/1,355,456.99 = 874,479.62/x - Step 3: Cross multiply
981,466.95x = 1,355,456.99 × 874,479.62 - Step 4: Simplify right side
981,466.95x = 1,185,319,519,116.39 - Step 5: Solve for x
x = 1,185,319,519,116.39/981,466.95 - Step 6: Final answer
x = 1,207,701.92
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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.