Finding the Fourth Proportional to 803,744.60, 1,206,807.30 and 449,466.20
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Solution
The fourth proportional to 803,744.60, 1,206,807.30 and 449,466.20 is: 674,864.99
Step by Step Solution
- Step 1: Write the proportion equation
803,744.60 : 1,206,807.30 = 449,466.20 : x - Step 2: Convert to fraction form
803,744.60/1,206,807.30 = 449,466.20/x - Step 3: Cross multiply
803,744.60x = 1,206,807.30 × 449,466.20 - Step 4: Simplify right side
803,744.60x = 542,419,091,263.26 - Step 5: Solve for x
x = 542,419,091,263.26/803,744.60 - Step 6: Final answer
x = 674,864.99
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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.