Finding the Fourth Proportional to 810,219.17, 1,118,219.58 and 483,546.05
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Solution
The fourth proportional to 810,219.17, 1,118,219.58 and 483,546.05 is: 667,363.45
Step by Step Solution
- Step 1: Write the proportion equation
810,219.17 : 1,118,219.58 = 483,546.05 : x - Step 2: Convert to fraction form
810,219.17/1,118,219.58 = 483,546.05/x - Step 3: Cross multiply
810,219.17x = 1,118,219.58 × 483,546.05 - Step 4: Simplify right side
810,219.17x = 540,710,664,578.76 - Step 5: Solve for x
x = 540,710,664,578.76/810,219.17 - Step 6: Final answer
x = 667,363.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.