Finding the Fourth Proportional to 989,948.27, 1,484,927.87 and 358,845.68
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Solution
The fourth proportional to 989,948.27, 1,484,927.87 and 358,845.68 is: 538,270.49
Step by Step Solution
- Step 1: Write the proportion equation
989,948.27 : 1,484,927.87 = 358,845.68 : x - Step 2: Convert to fraction form
989,948.27/1,484,927.87 = 358,845.68/x - Step 3: Cross multiply
989,948.27x = 1,484,927.87 × 358,845.68 - Step 4: Simplify right side
989,948.27x = 532,859,942,042.23 - Step 5: Solve for x
x = 532,859,942,042.23/989,948.27 - Step 6: Final answer
x = 538,270.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.