Finding the Fourth Proportional to 896,661.09, 1,237,415.33 and 509,463.68
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Solution
The fourth proportional to 896,661.09, 1,237,415.33 and 509,463.68 is: 703,072.96
Step by Step Solution
- Step 1: Write the proportion equation
896,661.09 : 1,237,415.33 = 509,463.68 : x - Step 2: Convert to fraction form
896,661.09/1,237,415.33 = 509,463.68/x - Step 3: Cross multiply
896,661.09x = 1,237,415.33 × 509,463.68 - Step 4: Simplify right side
896,661.09x = 630,418,162,796.80 - Step 5: Solve for x
x = 630,418,162,796.80/896,661.09 - Step 6: Final answer
x = 703,072.96
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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.