Finding the Fourth Proportional to 649,214.20, 973,821.30 and 599,447.80
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Solution
The fourth proportional to 649,214.20, 973,821.30 and 599,447.80 is: 899,171.70
Step by Step Solution
- Step 1: Write the proportion equation
649,214.20 : 973,821.30 = 599,447.80 : x - Step 2: Convert to fraction form
649,214.20/973,821.30 = 599,447.80/x - Step 3: Cross multiply
649,214.20x = 973,821.30 × 599,447.80 - Step 4: Simplify right side
649,214.20x = 583,755,035,878.14 - Step 5: Solve for x
x = 583,755,035,878.14/649,214.20 - Step 6: Final answer
x = 899,171.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.