Finding the Fourth Proportional to 756,164.24, 1,043,510.28 and 416,631.68
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Solution
The fourth proportional to 756,164.24, 1,043,510.28 and 416,631.68 is: 574,953.72
Step by Step Solution
- Step 1: Write the proportion equation
756,164.24 : 1,043,510.28 = 416,631.68 : x - Step 2: Convert to fraction form
756,164.24/1,043,510.28 = 416,631.68/x - Step 3: Cross multiply
756,164.24x = 1,043,510.28 × 416,631.68 - Step 4: Simplify right side
756,164.24x = 434,759,441,053.67 - Step 5: Solve for x
x = 434,759,441,053.67/756,164.24 - Step 6: Final answer
x = 574,953.72
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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.