Finding the Fourth Proportional to 1,028,461.10, 1,542,878.85 and 354,639.02
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Solution
The fourth proportional to 1,028,461.10, 1,542,878.85 and 354,639.02 is: 532,023.08
Step by Step Solution
- Step 1: Write the proportion equation
1,028,461.10 : 1,542,878.85 = 354,639.02 : x - Step 2: Convert to fraction form
1,028,461.10/1,542,878.85 = 354,639.02/x - Step 3: Cross multiply
1,028,461.10x = 1,542,878.85 × 354,639.02 - Step 4: Simplify right side
1,028,461.10x = 547,165,043,342.73 - Step 5: Solve for x
x = 547,165,043,342.73/1,028,461.10 - Step 6: Final answer
x = 532,023.08
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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.