Finding the Fourth Proportional to 985,313.19, 1,359,731.60 and 532,604.19
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Solution
The fourth proportional to 985,313.19, 1,359,731.60 and 532,604.19 is: 734,993.46
Step by Step Solution
- Step 1: Write the proportion equation
985,313.19 : 1,359,731.60 = 532,604.19 : x - Step 2: Convert to fraction form
985,313.19/1,359,731.60 = 532,604.19/x - Step 3: Cross multiply
985,313.19x = 1,359,731.60 × 532,604.19 - Step 4: Simplify right side
985,313.19x = 724,198,747,435.40 - Step 5: Solve for x
x = 724,198,747,435.40/985,313.19 - Step 6: Final answer
x = 734,993.46
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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.