Finding the Fourth Proportional to 847,589.67, 1,169,980.67 and 561,202.02
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Solution
The fourth proportional to 847,589.67, 1,169,980.67 and 561,202.02 is: 774,662.01
Step by Step Solution
- Step 1: Write the proportion equation
847,589.67 : 1,169,980.67 = 561,202.02 : x - Step 2: Convert to fraction form
847,589.67/1,169,980.67 = 561,202.02/x - Step 3: Cross multiply
847,589.67x = 1,169,980.67 × 561,202.02 - Step 4: Simplify right side
847,589.67x = 656,595,515,364.95 - Step 5: Solve for x
x = 656,595,515,364.95/847,589.67 - Step 6: Final answer
x = 774,662.01
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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.