Finding the Fourth Proportional to 989,904.42, 1,366,068.06 and 537,195.42
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Solution
The fourth proportional to 989,904.42, 1,366,068.06 and 537,195.42 is: 741,329.66
Step by Step Solution
- Step 1: Write the proportion equation
989,904.42 : 1,366,068.06 = 537,195.42 : x - Step 2: Convert to fraction form
989,904.42/1,366,068.06 = 537,195.42/x - Step 3: Cross multiply
989,904.42x = 1,366,068.06 × 537,195.42 - Step 4: Simplify right side
989,904.42x = 733,845,505,240.29 - Step 5: Solve for x
x = 733,845,505,240.29/989,904.42 - Step 6: Final answer
x = 741,329.66
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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.