Finding the Fourth Proportional to 908,809.84, 1,363,218 and 277,721.02
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Solution
The fourth proportional to 908,809.84, 1,363,218 and 277,721.02 is: 416,582.52
Step by Step Solution
- Step 1: Write the proportion equation
908,809.84 : 1,363,218 = 277,721.02 : x - Step 2: Convert to fraction form
908,809.84/1,363,218 = 277,721.02/x - Step 3: Cross multiply
908,809.84x = 1,363,218 × 277,721.02 - Step 4: Simplify right side
908,809.84x = 378,594,293,442.36 - Step 5: Solve for x
x = 378,594,293,442.36/908,809.84 - Step 6: Final answer
x = 416,582.52
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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.