Finding the Fourth Proportional to 989,948.88, 1,366,145.86 and 537,239.88
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Solution
The fourth proportional to 989,948.88, 1,366,145.86 and 537,239.88 is: 741,399.94
Step by Step Solution
- Step 1: Write the proportion equation
989,948.88 : 1,366,145.86 = 537,239.88 : x - Step 2: Convert to fraction form
989,948.88/1,366,145.86 = 537,239.88/x - Step 3: Cross multiply
989,948.88x = 1,366,145.86 × 537,239.88 - Step 4: Simplify right side
989,948.88x = 733,948,037,888.90 - Step 5: Solve for x
x = 733,948,037,888.90/989,948.88 - Step 6: Final answer
x = 741,399.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.