Finding the Fourth Proportional to 754,016.84, 1,129,497.60 and 348,632.92
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Solution
The fourth proportional to 754,016.84, 1,129,497.60 and 348,632.92 is: 522,243.04
Step by Step Solution
- Step 1: Write the proportion equation
754,016.84 : 1,129,497.60 = 348,632.92 : x - Step 2: Convert to fraction form
754,016.84/1,129,497.60 = 348,632.92/x - Step 3: Cross multiply
754,016.84x = 1,129,497.60 × 348,632.92 - Step 4: Simplify right side
754,016.84x = 393,780,046,420.99 - Step 5: Solve for x
x = 393,780,046,420.99/754,016.84 - Step 6: Final answer
x = 522,243.04
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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.