Finding the Fourth Proportional to 847,063.62, 1,270,325.97 and 278,313.63
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Solution
The fourth proportional to 847,063.62, 1,270,325.97 and 278,313.63 is: 417,381.91
Step by Step Solution
- Step 1: Write the proportion equation
847,063.62 : 1,270,325.97 = 278,313.63 : x - Step 2: Convert to fraction form
847,063.62/1,270,325.97 = 278,313.63/x - Step 3: Cross multiply
847,063.62x = 1,270,325.97 × 278,313.63 - Step 4: Simplify right side
847,063.62x = 353,549,031,993.97 - Step 5: Solve for x
x = 353,549,031,993.97/847,063.62 - Step 6: Final answer
x = 417,381.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.