Finding the Fourth Proportional to 982,376.25, 1,473,564.37 and 351,251.79
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Solution
The fourth proportional to 982,376.25, 1,473,564.37 and 351,251.79 is: 526,877.68
Step by Step Solution
- Step 1: Write the proportion equation
982,376.25 : 1,473,564.37 = 351,251.79 : x - Step 2: Convert to fraction form
982,376.25/1,473,564.37 = 351,251.79/x - Step 3: Cross multiply
982,376.25x = 1,473,564.37 × 351,251.79 - Step 4: Simplify right side
982,376.25x = 517,592,122,642.72 - Step 5: Solve for x
x = 517,592,122,642.72/982,376.25 - Step 6: Final answer
x = 526,877.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.