Finding the Fourth Proportional to 752,404.65, 1,128,643.88 and 303,064.84
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Solution
The fourth proportional to 752,404.65, 1,128,643.88 and 303,064.84 is: 454,612.13
Step by Step Solution
- Step 1: Write the proportion equation
752,404.65 : 1,128,643.88 = 303,064.84 : x - Step 2: Convert to fraction form
752,404.65/1,128,643.88 = 303,064.84/x - Step 3: Cross multiply
752,404.65x = 1,128,643.88 × 303,064.84 - Step 4: Simplify right side
752,404.65x = 342,052,276,804.66 - Step 5: Solve for x
x = 342,052,276,804.66/752,404.65 - Step 6: Final answer
x = 454,612.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.