Finding the Fourth Proportional to 742,217.99, 1,113,436.33 and 268,792.63
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Solution
The fourth proportional to 742,217.99, 1,113,436.33 and 268,792.63 is: 403,228.54
Step by Step Solution
- Step 1: Write the proportion equation
742,217.99 : 1,113,436.33 = 268,792.63 : x - Step 2: Convert to fraction form
742,217.99/1,113,436.33 = 268,792.63/x - Step 3: Cross multiply
742,217.99x = 1,113,436.33 × 268,792.63 - Step 4: Simplify right side
742,217.99x = 299,283,476,022.68 - Step 5: Solve for x
x = 299,283,476,022.68/742,217.99 - Step 6: Final answer
x = 403,228.54
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1.5x scale
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.