Finding the Fourth Proportional to 1,113,408.24, 1,670,221.68 and 314,695.92
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Solution
The fourth proportional to 1,113,408.24, 1,670,221.68 and 314,695.92 is: 472,074.78
Step by Step Solution
- Step 1: Write the proportion equation
1,113,408.24 : 1,670,221.68 = 314,695.92 : x - Step 2: Convert to fraction form
1,113,408.24/1,670,221.68 = 314,695.92/x - Step 3: Cross multiply
1,113,408.24x = 1,670,221.68 × 314,695.92 - Step 4: Simplify right side
1,113,408.24x = 525,611,948,191.55 - Step 5: Solve for x
x = 525,611,948,191.55/1,113,408.24 - Step 6: Final answer
x = 472,074.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.