Finding the Fourth Proportional to 482,991.40, 724,487.10 and 303,365.80
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Solution
The fourth proportional to 482,991.40, 724,487.10 and 303,365.80 is: 455,048.70
Step by Step Solution
- Step 1: Write the proportion equation
482,991.40 : 724,487.10 = 303,365.80 : x - Step 2: Convert to fraction form
482,991.40/724,487.10 = 303,365.80/x - Step 3: Cross multiply
482,991.40x = 724,487.10 × 303,365.80 - Step 4: Simplify right side
482,991.40x = 219,784,608,681.18 - Step 5: Solve for x
x = 219,784,608,681.18/482,991.40 - Step 6: Final answer
x = 455,048.70
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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.