Finding the Fourth Proportional to 831,655.00, 1,247,294.35 and 381,943.55
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Solution
The fourth proportional to 831,655.00, 1,247,294.35 and 381,943.55 is: 572,828.92
Step by Step Solution
- Step 1: Write the proportion equation
831,655.00 : 1,247,294.35 = 381,943.55 : x - Step 2: Convert to fraction form
831,655.00/1,247,294.35 = 381,943.55/x - Step 3: Cross multiply
831,655.00x = 1,247,294.35 × 381,943.55 - Step 4: Simplify right side
831,655.00x = 476,396,033,381.18 - Step 5: Solve for x
x = 476,396,033,381.18/831,655.00 - Step 6: Final answer
x = 572,828.92
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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.