Finding the Fourth Proportional to 707,947.13, 976,961.99 and 385,657.15
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Solution
The fourth proportional to 707,947.13, 976,961.99 and 385,657.15 is: 532,204.11
Step by Step Solution
- Step 1: Write the proportion equation
707,947.13 : 976,961.99 = 385,657.15 : x - Step 2: Convert to fraction form
707,947.13/976,961.99 = 385,657.15/x - Step 3: Cross multiply
707,947.13x = 976,961.99 × 385,657.15 - Step 4: Simplify right side
707,947.13x = 376,772,371,836.92 - Step 5: Solve for x
x = 376,772,371,836.92/707,947.13 - Step 6: Final answer
x = 532,204.11
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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.