Finding the Fourth Proportional to 583,310.75, 804,968.84 and 315,038.75
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Solution
The fourth proportional to 583,310.75, 804,968.84 and 315,038.75 is: 434,753.48
Step by Step Solution
- Step 1: Write the proportion equation
583,310.75 : 804,968.84 = 315,038.75 : x - Step 2: Convert to fraction form
583,310.75/804,968.84 = 315,038.75/x - Step 3: Cross multiply
583,310.75x = 804,968.84 × 315,038.75 - Step 4: Simplify right side
583,310.75x = 253,596,377,142.55 - Step 5: Solve for x
x = 253,596,377,142.55/583,310.75 - Step 6: Final answer
x = 434,753.48
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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.