Finding the Fourth Proportional to 885,984.24, 1,224,257.58 and 630,892.56
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Solution
The fourth proportional to 885,984.24, 1,224,257.58 and 630,892.56 is: 871,770.58
Step by Step Solution
- Step 1: Write the proportion equation
885,984.24 : 1,224,257.58 = 630,892.56 : x - Step 2: Convert to fraction form
885,984.24/1,224,257.58 = 630,892.56/x - Step 3: Cross multiply
885,984.24x = 1,224,257.58 × 630,892.56 - Step 4: Simplify right side
885,984.24x = 772,374,998,745.61 - Step 5: Solve for x
x = 772,374,998,745.61/885,984.24 - Step 6: Final answer
x = 871,770.58
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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.