Finding the Fourth Proportional to 1,679,728.64, 2,518,851.74 and 481,379.00
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Solution
The fourth proportional to 1,679,728.64, 2,518,851.74 and 481,379.00 is: 721,856.07
Step by Step Solution
- Step 1: Write the proportion equation
1,679,728.64 : 2,518,851.74 = 481,379.00 : x - Step 2: Convert to fraction form
1,679,728.64/2,518,851.74 = 481,379.00/x - Step 3: Cross multiply
1,679,728.64x = 2,518,851.74 × 481,379.00 - Step 4: Simplify right side
1,679,728.64x = 1,212,522,316,748.31 - Step 5: Solve for x
x = 1,212,522,316,748.31/1,679,728.64 - Step 6: Final answer
x = 721,856.07
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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.