Finding the Fourth Proportional to 874,881.73, 1,207,336.80 and 472,473.73
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Solution
The fourth proportional to 874,881.73, 1,207,336.80 and 472,473.73 is: 652,013.75
Step by Step Solution
- Step 1: Write the proportion equation
874,881.73 : 1,207,336.80 = 472,473.73 : x - Step 2: Convert to fraction form
874,881.73/1,207,336.80 = 472,473.73/x - Step 3: Cross multiply
874,881.73x = 1,207,336.80 × 472,473.73 - Step 4: Simplify right side
874,881.73x = 570,434,921,262.26 - Step 5: Solve for x
x = 570,434,921,262.26/874,881.73 - Step 6: Final answer
x = 652,013.75
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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.