Finding the Fourth Proportional to 640,195.53, 960,551.49 and 284,966.60
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Solution
The fourth proportional to 640,195.53, 960,551.49 and 284,966.60 is: 427,564.82
Step by Step Solution
- Step 1: Write the proportion equation
640,195.53 : 960,551.49 = 284,966.60 : x - Step 2: Convert to fraction form
640,195.53/960,551.49 = 284,966.60/x - Step 3: Cross multiply
640,195.53x = 960,551.49 × 284,966.60 - Step 4: Simplify right side
640,195.53x = 273,725,087,427.48 - Step 5: Solve for x
x = 273,725,087,427.48/640,195.53 - Step 6: Final answer
x = 427,564.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.