Finding the Fourth Proportional to 619,241.80, 927,480.30 and 478,544.20
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Solution
The fourth proportional to 619,241.80, 927,480.30 and 478,544.20 is: 716,747.99
Step by Step Solution
- Step 1: Write the proportion equation
619,241.80 : 927,480.30 = 478,544.20 : x - Step 2: Convert to fraction form
619,241.80/927,480.30 = 478,544.20/x - Step 3: Cross multiply
619,241.80x = 927,480.30 × 478,544.20 - Step 4: Simplify right side
619,241.80x = 443,840,318,179.26 - Step 5: Solve for x
x = 443,840,318,179.26/619,241.80 - Step 6: Final answer
x = 716,747.99
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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.