Finding the Fourth Proportional to 987,742.36, 1,363,052.46 and 552,148.12
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Solution
The fourth proportional to 987,742.36, 1,363,052.46 and 552,148.12 is: 761,946.52
Step by Step Solution
- Step 1: Write the proportion equation
987,742.36 : 1,363,052.46 = 552,148.12 : x - Step 2: Convert to fraction form
987,742.36/1,363,052.46 = 552,148.12/x - Step 3: Cross multiply
987,742.36x = 1,363,052.46 × 552,148.12 - Step 4: Simplify right side
987,742.36x = 752,606,853,250.38 - Step 5: Solve for x
x = 752,606,853,250.38/987,742.36 - Step 6: Final answer
x = 761,946.52
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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.