Finding the Fourth Proportional to 704,337.74, 971,979.20 and 382,043.20
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Solution
The fourth proportional to 704,337.74, 971,979.20 and 382,043.20 is: 527,215.88
Step by Step Solution
- Step 1: Write the proportion equation
704,337.74 : 971,979.20 = 382,043.20 : x - Step 2: Convert to fraction form
704,337.74/971,979.20 = 382,043.20/x - Step 3: Cross multiply
704,337.74x = 971,979.20 × 382,043.20 - Step 4: Simplify right side
704,337.74x = 371,338,043,901.44 - Step 5: Solve for x
x = 371,338,043,901.44/704,337.74 - Step 6: Final answer
x = 527,215.88
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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.