Finding the Fourth Proportional to 831,985.68, 1,248,023.88 and 263,324.31
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Solution
The fourth proportional to 831,985.68, 1,248,023.88 and 263,324.31 is: 395,000.82
Step by Step Solution
- Step 1: Write the proportion equation
831,985.68 : 1,248,023.88 = 263,324.31 : x - Step 2: Convert to fraction form
831,985.68/1,248,023.88 = 263,324.31/x - Step 3: Cross multiply
831,985.68x = 1,248,023.88 × 263,324.31 - Step 4: Simplify right side
831,985.68x = 328,635,027,064.52 - Step 5: Solve for x
x = 328,635,027,064.52/831,985.68 - Step 6: Final answer
x = 395,000.82
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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.