Finding the Fourth Proportional to 828,771.99, 1,243,158.00 and 548,223.63
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Solution
The fourth proportional to 828,771.99, 1,243,158.00 and 548,223.63 is: 822,335.45
Step by Step Solution
- Step 1: Write the proportion equation
828,771.99 : 1,243,158.00 = 548,223.63 : x - Step 2: Convert to fraction form
828,771.99/1,243,158.00 = 548,223.63/x - Step 3: Cross multiply
828,771.99x = 1,243,158.00 × 548,223.63 - Step 4: Simplify right side
828,771.99x = 681,528,584,705.86 - Step 5: Solve for x
x = 681,528,584,705.86/828,771.99 - Step 6: Final answer
x = 822,335.45
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1.5x scale
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.