Finding the Fourth Proportional to 989,783.29, 1,484,674.39 and 358,696.09
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Solution
The fourth proportional to 989,783.29, 1,484,674.39 and 358,696.09 is: 538,043.94
Step by Step Solution
- Step 1: Write the proportion equation
989,783.29 : 1,484,674.39 = 358,696.09 : x - Step 2: Convert to fraction form
989,783.29/1,484,674.39 = 358,696.09/x - Step 3: Cross multiply
989,783.29x = 1,484,674.39 × 358,696.09 - Step 4: Simplify right side
989,783.29x = 532,546,898,616.14 - Step 5: Solve for x
x = 532,546,898,616.14/989,783.29 - Step 6: Final answer
x = 538,043.94
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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.