Finding the Fourth Proportional to 877,803.94, 1,211,369.44 and 475,395.94
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Solution
The fourth proportional to 877,803.94, 1,211,369.44 and 475,395.94 is: 656,046.40
Step by Step Solution
- Step 1: Write the proportion equation
877,803.94 : 1,211,369.44 = 475,395.94 : x - Step 2: Convert to fraction form
877,803.94/1,211,369.44 = 475,395.94/x - Step 3: Cross multiply
877,803.94x = 1,211,369.44 × 475,395.94 - Step 4: Simplify right side
877,803.94x = 575,880,111,239.09 - Step 5: Solve for x
x = 575,880,111,239.09/877,803.94 - Step 6: Final answer
x = 656,046.40
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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.