Finding the Fourth Proportional to 808,546.60, 1,212,236.70 and 528,221.80
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Solution
The fourth proportional to 808,546.60, 1,212,236.70 and 528,221.80 is: 791,951.70
Step by Step Solution
- Step 1: Write the proportion equation
808,546.60 : 1,212,236.70 = 528,221.80 : x - Step 2: Convert to fraction form
808,546.60/1,212,236.70 = 528,221.80/x - Step 3: Cross multiply
808,546.60x = 1,212,236.70 × 528,221.80 - Step 4: Simplify right side
808,546.60x = 640,329,851,700.06 - Step 5: Solve for x
x = 640,329,851,700.06/808,546.60 - Step 6: Final answer
x = 791,951.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.