Finding the Fourth Proportional to 1,028,458.10, 1,542,874.35 and 354,636.02
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Solution
The fourth proportional to 1,028,458.10, 1,542,874.35 and 354,636.02 is: 532,018.58
Step by Step Solution
- Step 1: Write the proportion equation
1,028,458.10 : 1,542,874.35 = 354,636.02 : x - Step 2: Convert to fraction form
1,028,458.10/1,542,874.35 = 354,636.02/x - Step 3: Cross multiply
1,028,458.10x = 1,542,874.35 × 354,636.02 - Step 4: Simplify right side
1,028,458.10x = 547,158,818,844.09 - Step 5: Solve for x
x = 547,158,818,844.09/1,028,458.10 - Step 6: Final answer
x = 532,018.58
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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.