Finding the Fourth Proportional to 1,096,780.02, 1,644,558.74 and 338,406.18
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Solution
The fourth proportional to 1,096,780.02, 1,644,558.74 and 338,406.18 is: 507,420.66
Step by Step Solution
- Step 1: Write the proportion equation
1,096,780.02 : 1,644,558.74 = 338,406.18 : x - Step 2: Convert to fraction form
1,096,780.02/1,644,558.74 = 338,406.18/x - Step 3: Cross multiply
1,096,780.02x = 1,644,558.74 × 338,406.18 - Step 4: Simplify right side
1,096,780.02x = 556,528,840,989.01 - Step 5: Solve for x
x = 556,528,840,989.01/1,096,780.02 - Step 6: Final answer
x = 507,420.66
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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.