Finding the Fourth Proportional to 859,916.37, 1,289,903.68 and 228,830.79
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Solution
The fourth proportional to 859,916.37, 1,289,903.68 and 228,830.79 is: 343,253.94
Step by Step Solution
- Step 1: Write the proportion equation
859,916.37 : 1,289,903.68 = 228,830.79 : x - Step 2: Convert to fraction form
859,916.37/1,289,903.68 = 228,830.79/x - Step 3: Cross multiply
859,916.37x = 1,289,903.68 × 228,830.79 - Step 4: Simplify right side
859,916.37x = 295,169,678,118.31 - Step 5: Solve for x
x = 295,169,678,118.31/859,916.37 - Step 6: Final answer
x = 343,253.94
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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.