Finding the Fourth Proportional to 700,877.70, 967,211.09 and 378,587.81
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Solution
The fourth proportional to 700,877.70, 967,211.09 and 378,587.81 is: 522,451.09
Step by Step Solution
- Step 1: Write the proportion equation
700,877.70 : 967,211.09 = 378,587.81 : x - Step 2: Convert to fraction form
700,877.70/967,211.09 = 378,587.81/x - Step 3: Cross multiply
700,877.70x = 967,211.09 × 378,587.81 - Step 4: Simplify right side
700,877.70x = 366,174,321,641.82 - Step 5: Solve for x
x = 366,174,321,641.82/700,877.70 - Step 6: Final answer
x = 522,451.09
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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.