Finding the Fourth Proportional to 621,635.08, 857,855.14 and 349,703.16
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Solution
The fourth proportional to 621,635.08, 857,855.14 and 349,703.16 is: 482,589.65
Step by Step Solution
- Step 1: Write the proportion equation
621,635.08 : 857,855.14 = 349,703.16 : x - Step 2: Convert to fraction form
621,635.08/857,855.14 = 349,703.16/x - Step 3: Cross multiply
621,635.08x = 857,855.14 × 349,703.16 - Step 4: Simplify right side
621,635.08x = 299,994,653,280.24 - Step 5: Solve for x
x = 299,994,653,280.24/621,635.08 - Step 6: Final answer
x = 482,589.65
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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.