Finding the Fourth Proportional to 678,347.60, 1,017,543.06 and 341,204.12
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Solution
The fourth proportional to 678,347.60, 1,017,543.06 and 341,204.12 is: 511,817.07
Step by Step Solution
- Step 1: Write the proportion equation
678,347.60 : 1,017,543.06 = 341,204.12 : x - Step 2: Convert to fraction form
678,347.60/1,017,543.06 = 341,204.12/x - Step 3: Cross multiply
678,347.60x = 1,017,543.06 × 341,204.12 - Step 4: Simplify right side
678,347.60x = 347,189,884,349.41 - Step 5: Solve for x
x = 347,189,884,349.41/678,347.60 - Step 6: Final answer
x = 511,817.07
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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.