Finding the Fourth Proportional to 566,396.44, 781,620.98 and 311,742.12
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Solution
The fourth proportional to 566,396.44, 781,620.98 and 311,742.12 is: 430,200.76
Step by Step Solution
- Step 1: Write the proportion equation
566,396.44 : 781,620.98 = 311,742.12 : x - Step 2: Convert to fraction form
566,396.44/781,620.98 = 311,742.12/x - Step 3: Cross multiply
566,396.44x = 781,620.98 × 311,742.12 - Step 4: Simplify right side
566,396.44x = 243,664,181,341.68 - Step 5: Solve for x
x = 243,664,181,341.68/566,396.44 - Step 6: Final answer
x = 430,200.76
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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.