Finding the Fourth Proportional to 755,046.84, 1,041,963.93 and 415,515.09
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Solution
The fourth proportional to 755,046.84, 1,041,963.93 and 415,515.09 is: 573,410.43
Step by Step Solution
- Step 1: Write the proportion equation
755,046.84 : 1,041,963.93 = 415,515.09 : x - Step 2: Convert to fraction form
755,046.84/1,041,963.93 = 415,515.09/x - Step 3: Cross multiply
755,046.84x = 1,041,963.93 × 415,515.09 - Step 4: Simplify right side
755,046.84x = 432,951,736,150.70 - Step 5: Solve for x
x = 432,951,736,150.70/755,046.84 - Step 6: Final answer
x = 573,410.43
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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.