Finding the Fourth Proportional to 798,532.70, 1,197,989.69 and 266,058.32
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Solution
The fourth proportional to 798,532.70, 1,197,989.69 and 266,058.32 is: 399,150.99
Step by Step Solution
- Step 1: Write the proportion equation
798,532.70 : 1,197,989.69 = 266,058.32 : x - Step 2: Convert to fraction form
798,532.70/1,197,989.69 = 266,058.32/x - Step 3: Cross multiply
798,532.70x = 1,197,989.69 × 266,058.32 - Step 4: Simplify right side
798,532.70x = 318,735,116,978.48 - Step 5: Solve for x
x = 318,735,116,978.48/798,532.70 - Step 6: Final answer
x = 399,150.99
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1.5x scale
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.