Finding the Fourth Proportional to 916,340.98, 1,373,325.88 and 511,523.18
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Solution
The fourth proportional to 916,340.98, 1,373,325.88 and 511,523.18 is: 766,622.95
Step by Step Solution
- Step 1: Write the proportion equation
916,340.98 : 1,373,325.88 = 511,523.18 : x - Step 2: Convert to fraction form
916,340.98/1,373,325.88 = 511,523.18/x - Step 3: Cross multiply
916,340.98x = 1,373,325.88 × 511,523.18 - Step 4: Simplify right side
916,340.98x = 702,488,021,313.90 - Step 5: Solve for x
x = 702,488,021,313.90/916,340.98 - Step 6: Final answer
x = 766,622.95
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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.