Finding the Fourth Proportional to 989,632.62, 1,484,448.93 and 568,639.98
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Solution
The fourth proportional to 989,632.62, 1,484,448.93 and 568,639.98 is: 852,959.97
Step by Step Solution
- Step 1: Write the proportion equation
989,632.62 : 1,484,448.93 = 568,639.98 : x - Step 2: Convert to fraction form
989,632.62/1,484,448.93 = 568,639.98/x - Step 3: Cross multiply
989,632.62x = 1,484,448.93 × 568,639.98 - Step 4: Simplify right side
989,632.62x = 844,117,009,866.22 - Step 5: Solve for x
x = 844,117,009,866.22/989,632.62 - Step 6: Final answer
x = 852,959.97
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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.