Finding the Fourth Proportional to 980,595.18, 1,353,279.15 and 738,450.54
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Solution
The fourth proportional to 980,595.18, 1,353,279.15 and 738,450.54 is: 1,019,105.27
Step by Step Solution
- Step 1: Write the proportion equation
980,595.18 : 1,353,279.15 = 738,450.54 : x - Step 2: Convert to fraction form
980,595.18/1,353,279.15 = 738,450.54/x - Step 3: Cross multiply
980,595.18x = 1,353,279.15 × 738,450.54 - Step 4: Simplify right side
980,595.18x = 999,329,719,088.24 - Step 5: Solve for x
x = 999,329,719,088.24/980,595.18 - Step 6: Final answer
x = 1,019,105.27
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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.