Finding the Fourth Proportional to 521,407.26, 719,542.02 and 282,943.26
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Solution
The fourth proportional to 521,407.26, 719,542.02 and 282,943.26 is: 390,461.70
Step by Step Solution
- Step 1: Write the proportion equation
521,407.26 : 719,542.02 = 282,943.26 : x - Step 2: Convert to fraction form
521,407.26/719,542.02 = 282,943.26/x - Step 3: Cross multiply
521,407.26x = 719,542.02 × 282,943.26 - Step 4: Simplify right side
521,407.26x = 203,589,564,845.79 - Step 5: Solve for x
x = 203,589,564,845.79/521,407.26 - Step 6: Final answer
x = 390,461.70
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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.