Finding the Fourth Proportional to 502,769.84, 693,626.06 and 287,795.02
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Solution
The fourth proportional to 502,769.84, 693,626.06 and 287,795.02 is: 397,044.75
Step by Step Solution
- Step 1: Write the proportion equation
502,769.84 : 693,626.06 = 287,795.02 : x - Step 2: Convert to fraction form
502,769.84/693,626.06 = 287,795.02/x - Step 3: Cross multiply
502,769.84x = 693,626.06 × 287,795.02 - Step 4: Simplify right side
502,769.84x = 199,622,125,810.22 - Step 5: Solve for x
x = 199,622,125,810.22/502,769.84 - Step 6: Final answer
x = 397,044.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.