Finding the Fourth Proportional to 756,076.29, 1,042,684.41 and 551,803.65
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Solution
The fourth proportional to 756,076.29, 1,042,684.41 and 551,803.65 is: 760,977.52
Step by Step Solution
- Step 1: Write the proportion equation
756,076.29 : 1,042,684.41 = 551,803.65 : x - Step 2: Convert to fraction form
756,076.29/1,042,684.41 = 551,803.65/x - Step 3: Cross multiply
756,076.29x = 1,042,684.41 × 551,803.65 - Step 4: Simplify right side
756,076.29x = 575,357,063,236.10 - Step 5: Solve for x
x = 575,357,063,236.10/756,076.29 - Step 6: Final answer
x = 760,977.52
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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.