Finding the Fourth Proportional to 614,947.55, 848,628.70 and 339,299.08
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Solution
The fourth proportional to 614,947.55, 848,628.70 and 339,299.08 is: 468,233.33
Step by Step Solution
- Step 1: Write the proportion equation
614,947.55 : 848,628.70 = 339,299.08 : x - Step 2: Convert to fraction form
614,947.55/848,628.70 = 339,299.08/x - Step 3: Cross multiply
614,947.55x = 848,628.70 × 339,299.08 - Step 4: Simplify right side
614,947.55x = 287,938,934,201.78 - Step 5: Solve for x
x = 287,938,934,201.78/614,947.55 - Step 6: Final answer
x = 468,233.33
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1.5x scale
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.