Finding the Fourth Proportional to 724,331.67, 1,087,563.81 and 405,108.95
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Solution
The fourth proportional to 724,331.67, 1,087,563.81 and 405,108.95 is: 608,259.79
Step by Step Solution
- Step 1: Write the proportion equation
724,331.67 : 1,087,563.81 = 405,108.95 : x - Step 2: Convert to fraction form
724,331.67/1,087,563.81 = 405,108.95/x - Step 3: Cross multiply
724,331.67x = 1,087,563.81 × 405,108.95 - Step 4: Simplify right side
724,331.67x = 440,581,829,208.44 - Step 5: Solve for x
x = 440,581,829,208.44/724,331.67 - Step 6: Final answer
x = 608,259.79
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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.