Finding the Fourth Proportional to 776,377.99, 1,071,822.18 and 544,516.98
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Solution
The fourth proportional to 776,377.99, 1,071,822.18 and 544,516.98 is: 751,728.39
Step by Step Solution
- Step 1: Write the proportion equation
776,377.99 : 1,071,822.18 = 544,516.98 : x - Step 2: Convert to fraction form
776,377.99/1,071,822.18 = 544,516.98/x - Step 3: Cross multiply
776,377.99x = 1,071,822.18 × 544,516.98 - Step 4: Simplify right side
776,377.99x = 583,625,376,550.62 - Step 5: Solve for x
x = 583,625,376,550.62/776,377.99 - Step 6: Final answer
x = 751,728.39
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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.