Finding the Fourth Proportional to 997,720.22, 1,496,192.09 and 323,638.53
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Solution
The fourth proportional to 997,720.22, 1,496,192.09 and 323,638.53 is: 485,331.86
Step by Step Solution
- Step 1: Write the proportion equation
997,720.22 : 1,496,192.09 = 323,638.53 : x - Step 2: Convert to fraction form
997,720.22/1,496,192.09 = 323,638.53/x - Step 3: Cross multiply
997,720.22x = 1,496,192.09 × 323,638.53 - Step 4: Simplify right side
997,720.22x = 484,225,408,605.23 - Step 5: Solve for x
x = 484,225,408,605.23/997,720.22 - Step 6: Final answer
x = 485,331.86
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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.