Finding the Fourth Proportional to 653,829.70, 980,744.55 and 543,237.70
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Solution
The fourth proportional to 653,829.70, 980,744.55 and 543,237.70 is: 814,856.55
Step by Step Solution
- Step 1: Write the proportion equation
653,829.70 : 980,744.55 = 543,237.70 : x - Step 2: Convert to fraction form
653,829.70/980,744.55 = 543,237.70/x - Step 3: Cross multiply
653,829.70x = 980,744.55 × 543,237.70 - Step 4: Simplify right side
653,829.70x = 532,777,413,629.54 - Step 5: Solve for x
x = 532,777,413,629.54/653,829.70 - Step 6: Final answer
x = 814,856.55
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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.