Finding the Fourth Proportional to 989,861.19, 1,366,008.40 and 537,152.19
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Solution
The fourth proportional to 989,861.19, 1,366,008.40 and 537,152.19 is: 741,270.00
Step by Step Solution
- Step 1: Write the proportion equation
989,861.19 : 1,366,008.40 = 537,152.19 : x - Step 2: Convert to fraction form
989,861.19/1,366,008.40 = 537,152.19/x - Step 3: Cross multiply
989,861.19x = 1,366,008.40 × 537,152.19 - Step 4: Simplify right side
989,861.19x = 733,754,403,618.40 - Step 5: Solve for x
x = 733,754,403,618.40/989,861.19 - Step 6: Final answer
x = 741,270.00
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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.