Finding the Fourth Proportional to 831,710.96, 1,246,530.36 and 381,953.68
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Solution
The fourth proportional to 831,710.96, 1,246,530.36 and 381,953.68 is: 572,454.71
Step by Step Solution
- Step 1: Write the proportion equation
831,710.96 : 1,246,530.36 = 381,953.68 : x - Step 2: Convert to fraction form
831,710.96/1,246,530.36 = 381,953.68/x - Step 3: Cross multiply
831,710.96x = 1,246,530.36 × 381,953.68 - Step 4: Simplify right side
831,710.96x = 476,116,858,233.73 - Step 5: Solve for x
x = 476,116,858,233.73/831,710.96 - Step 6: Final answer
x = 572,454.71
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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.