Finding the Fourth Proportional to 987,495.30, 1,480,377.68 and 474,903.49
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Solution
The fourth proportional to 987,495.30, 1,480,377.68 and 474,903.49 is: 711,939.11
Step by Step Solution
- Step 1: Write the proportion equation
987,495.30 : 1,480,377.68 = 474,903.49 : x - Step 2: Convert to fraction form
987,495.30/1,480,377.68 = 474,903.49/x - Step 3: Cross multiply
987,495.30x = 1,480,377.68 × 474,903.49 - Step 4: Simplify right side
987,495.30x = 703,036,526,750.10 - Step 5: Solve for x
x = 703,036,526,750.10/987,495.30 - Step 6: Final answer
x = 711,939.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.