Finding the Fourth Proportional to 656,827.80, 985,241.70 and 603,683.70
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Solution
The fourth proportional to 656,827.80, 985,241.70 and 603,683.70 is: 905,525.55
Step by Step Solution
- Step 1: Write the proportion equation
656,827.80 : 985,241.70 = 603,683.70 : x - Step 2: Convert to fraction form
656,827.80/985,241.70 = 603,683.70/x - Step 3: Cross multiply
656,827.80x = 985,241.70 × 603,683.70 - Step 4: Simplify right side
656,827.80x = 594,774,354,850.29 - Step 5: Solve for x
x = 594,774,354,850.29/656,827.80 - Step 6: Final answer
x = 905,525.55
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Similar ratio
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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.