Finding the Fourth Proportional to 750,847.08, 1,035,915.30 and 428,330.28
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Solution
The fourth proportional to 750,847.08, 1,035,915.30 and 428,330.28 is: 590,951.08
Step by Step Solution
- Step 1: Write the proportion equation
750,847.08 : 1,035,915.30 = 428,330.28 : x - Step 2: Convert to fraction form
750,847.08/1,035,915.30 = 428,330.28/x - Step 3: Cross multiply
750,847.08x = 1,035,915.30 × 428,330.28 - Step 4: Simplify right side
750,847.08x = 443,713,890,505.28 - Step 5: Solve for x
x = 443,713,890,505.28/750,847.08 - Step 6: Final answer
x = 590,951.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.