Finding the Fourth Proportional to 813,363.06, 1,122,410.46 and 450,793.14
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Solution
The fourth proportional to 813,363.06, 1,122,410.46 and 450,793.14 is: 622,077.59
Step by Step Solution
- Step 1: Write the proportion equation
813,363.06 : 1,122,410.46 = 450,793.14 : x - Step 2: Convert to fraction form
813,363.06/1,122,410.46 = 450,793.14/x - Step 3: Cross multiply
813,363.06x = 1,122,410.46 × 450,793.14 - Step 4: Simplify right side
813,363.06x = 505,974,935,632.24 - Step 5: Solve for x
x = 505,974,935,632.24/813,363.06 - Step 6: Final answer
x = 622,077.59
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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.