Finding the Fourth Proportional to 748,566.84, 1,033,047.72 and 409,056.96
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Solution
The fourth proportional to 748,566.84, 1,033,047.72 and 409,056.96 is: 564,512.53
Step by Step Solution
- Step 1: Write the proportion equation
748,566.84 : 1,033,047.72 = 409,056.96 : x - Step 2: Convert to fraction form
748,566.84/1,033,047.72 = 409,056.96/x - Step 3: Cross multiply
748,566.84x = 1,033,047.72 × 409,056.96 - Step 4: Simplify right side
748,566.84x = 422,575,359,878.13 - Step 5: Solve for x
x = 422,575,359,878.13/748,566.84 - Step 6: Final answer
x = 564,512.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.