Finding the Fourth Proportional to 831,397.34, 1,247,098.63 and 232,354.55
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Solution
The fourth proportional to 831,397.34, 1,247,098.63 and 232,354.55 is: 348,532.55
Step by Step Solution
- Step 1: Write the proportion equation
831,397.34 : 1,247,098.63 = 232,354.55 : x - Step 2: Convert to fraction form
831,397.34/1,247,098.63 = 232,354.55/x - Step 3: Cross multiply
831,397.34x = 1,247,098.63 × 232,354.55 - Step 4: Simplify right side
831,397.34x = 289,769,033,582.00 - Step 5: Solve for x
x = 289,769,033,582.00/831,397.34 - Step 6: Final answer
x = 348,532.55
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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.