Finding the Fourth Proportional to 478,271.59, 659,965.93 and 294,480.97
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Solution
The fourth proportional to 478,271.59, 659,965.93 and 294,480.97 is: 406,353.65
Step by Step Solution
- Step 1: Write the proportion equation
478,271.59 : 659,965.93 = 294,480.97 : x - Step 2: Convert to fraction form
478,271.59/659,965.93 = 294,480.97/x - Step 3: Cross multiply
478,271.59x = 659,965.93 × 294,480.97 - Step 4: Simplify right side
478,271.59x = 194,347,404,847.24 - Step 5: Solve for x
x = 194,347,404,847.24/478,271.59 - Step 6: Final answer
x = 406,353.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.