Finding the Fourth Proportional to 1,018,448.64, 1,527,647.04 and 486,345.60
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Solution
The fourth proportional to 1,018,448.64, 1,527,647.04 and 486,345.60 is: 729,506.02
Step by Step Solution
- Step 1: Write the proportion equation
1,018,448.64 : 1,527,647.04 = 486,345.60 : x - Step 2: Convert to fraction form
1,018,448.64/1,527,647.04 = 486,345.60/x - Step 3: Cross multiply
1,018,448.64x = 1,527,647.04 × 486,345.60 - Step 4: Simplify right side
1,018,448.64x = 742,964,416,257.02 - Step 5: Solve for x
x = 742,964,416,257.02/1,018,448.64 - Step 6: Final answer
x = 729,506.02
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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.