Finding the Fourth Proportional to 704,343.79, 971,968.16 and 382,043.17
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Solution
The fourth proportional to 704,343.79, 971,968.16 and 382,043.17 is: 527,205.32
Step by Step Solution
- Step 1: Write the proportion equation
704,343.79 : 971,968.16 = 382,043.17 : x - Step 2: Convert to fraction form
704,343.79/971,968.16 = 382,043.17/x - Step 3: Cross multiply
704,343.79x = 971,968.16 × 382,043.17 - Step 4: Simplify right side
704,343.79x = 371,333,790,215.41 - Step 5: Solve for x
x = 371,333,790,215.41/704,343.79 - Step 6: Final answer
x = 527,205.32
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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.