Finding the Fourth Proportional to 986,942.77, 1,480,387.88 and 747,511.14
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Solution
The fourth proportional to 986,942.77, 1,480,387.88 and 747,511.14 is: 1,121,246.82
Step by Step Solution
- Step 1: Write the proportion equation
986,942.77 : 1,480,387.88 = 747,511.14 : x - Step 2: Convert to fraction form
986,942.77/1,480,387.88 = 747,511.14/x - Step 3: Cross multiply
986,942.77x = 1,480,387.88 × 747,511.14 - Step 4: Simplify right side
986,942.77x = 1,106,606,434,922.51 - Step 5: Solve for x
x = 1,106,606,434,922.51/986,942.77 - Step 6: Final answer
x = 1,121,246.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.