Finding the Fourth Proportional to 752,872.08, 1,129,068.57 and 247,315.74
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Solution
The fourth proportional to 752,872.08, 1,129,068.57 and 247,315.74 is: 370,894.92
Step by Step Solution
- Step 1: Write the proportion equation
752,872.08 : 1,129,068.57 = 247,315.74 : x - Step 2: Convert to fraction form
752,872.08/1,129,068.57 = 247,315.74/x - Step 3: Cross multiply
752,872.08x = 1,129,068.57 × 247,315.74 - Step 4: Simplify right side
752,872.08x = 279,236,428,900.29 - Step 5: Solve for x
x = 279,236,428,900.29/752,872.08 - Step 6: Final answer
x = 370,894.92
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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.