Finding the Fourth Proportional to 837,725.70, 1,247,113.68 and 832,743.48
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Solution
The fourth proportional to 837,725.70, 1,247,113.68 and 832,743.48 is: 1,239,696.70
Step by Step Solution
- Step 1: Write the proportion equation
837,725.70 : 1,247,113.68 = 832,743.48 : x - Step 2: Convert to fraction form
837,725.70/1,247,113.68 = 832,743.48/x - Step 3: Cross multiply
837,725.70x = 1,247,113.68 × 832,743.48 - Step 4: Simplify right side
837,725.70x = 1,038,525,785,838.81 - Step 5: Solve for x
x = 1,038,525,785,838.81/837,725.70 - Step 6: Final answer
x = 1,239,696.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.