Finding the Fourth Proportional to 945,640.41, 1,305,020.40 and 537,779.49
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Solution
The fourth proportional to 945,640.41, 1,305,020.40 and 537,779.49 is: 742,156.53
Step by Step Solution
- Step 1: Write the proportion equation
945,640.41 : 1,305,020.40 = 537,779.49 : x - Step 2: Convert to fraction form
945,640.41/1,305,020.40 = 537,779.49/x - Step 3: Cross multiply
945,640.41x = 1,305,020.40 × 537,779.49 - Step 4: Simplify right side
945,640.41x = 701,813,205,151.60 - Step 5: Solve for x
x = 701,813,205,151.60/945,640.41 - Step 6: Final answer
x = 742,156.53
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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.