Finding the Fourth Proportional to 757,853.84, 1,045,811.84 and 451,772.26
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Solution
The fourth proportional to 757,853.84, 1,045,811.84 and 451,772.26 is: 623,429.95
Step by Step Solution
- Step 1: Write the proportion equation
757,853.84 : 1,045,811.84 = 451,772.26 : x - Step 2: Convert to fraction form
757,853.84/1,045,811.84 = 451,772.26/x - Step 3: Cross multiply
757,853.84x = 1,045,811.84 × 451,772.26 - Step 4: Simplify right side
757,853.84x = 472,468,778,491.56 - Step 5: Solve for x
x = 472,468,778,491.56/757,853.84 - Step 6: Final answer
x = 623,429.95
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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.