Finding the Fourth Proportional to 742,662.84, 1,113,648.66 and 269,329.08
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Solution
The fourth proportional to 742,662.84, 1,113,648.66 and 269,329.08 is: 403,868.29
Step by Step Solution
- Step 1: Write the proportion equation
742,662.84 : 1,113,648.66 = 269,329.08 : x - Step 2: Convert to fraction form
742,662.84/1,113,648.66 = 269,329.08/x - Step 3: Cross multiply
742,662.84x = 1,113,648.66 × 269,329.08 - Step 4: Simplify right side
742,662.84x = 299,937,969,041.03 - Step 5: Solve for x
x = 299,937,969,041.03/742,662.84 - Step 6: Final answer
x = 403,868.29
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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.