Finding the Fourth Proportional to 554,870.48, 765,639.15 and 336,965.84
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Solution
The fourth proportional to 554,870.48, 765,639.15 and 336,965.84 is: 464,962.99
Step by Step Solution
- Step 1: Write the proportion equation
554,870.48 : 765,639.15 = 336,965.84 : x - Step 2: Convert to fraction form
554,870.48/765,639.15 = 336,965.84/x - Step 3: Cross multiply
554,870.48x = 765,639.15 × 336,965.84 - Step 4: Simplify right side
554,870.48x = 257,994,235,488.44 - Step 5: Solve for x
x = 257,994,235,488.44/554,870.48 - Step 6: Final answer
x = 464,962.99
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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.