Finding the Fourth Proportional to 769,449.99, 1,154,194.71 and 364,547.40
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Solution
The fourth proportional to 769,449.99, 1,154,194.71 and 364,547.40 is: 546,830.45
Step by Step Solution
- Step 1: Write the proportion equation
769,449.99 : 1,154,194.71 = 364,547.40 : x - Step 2: Convert to fraction form
769,449.99/1,154,194.71 = 364,547.40/x - Step 3: Cross multiply
769,449.99x = 1,154,194.71 × 364,547.40 - Step 4: Simplify right side
769,449.99x = 420,758,680,624.25 - Step 5: Solve for x
x = 420,758,680,624.25/769,449.99 - Step 6: Final answer
x = 546,830.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.