Finding the Fourth Proportional to 831,788.68, 1,147,859.58 and 469,330.49
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Solution
The fourth proportional to 831,788.68, 1,147,859.58 and 469,330.49 is: 647,671.11
Step by Step Solution
- Step 1: Write the proportion equation
831,788.68 : 1,147,859.58 = 469,330.49 : x - Step 2: Convert to fraction form
831,788.68/1,147,859.58 = 469,330.49/x - Step 3: Cross multiply
831,788.68x = 1,147,859.58 × 469,330.49 - Step 4: Simplify right side
831,788.68x = 538,725,493,393.30 - Step 5: Solve for x
x = 538,725,493,393.30/831,788.68 - Step 6: Final answer
x = 647,671.11
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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.