Finding the Fourth Proportional to 1,077,205.98, 1,615,864.41 and 278,494.44
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Solution
The fourth proportional to 1,077,205.98, 1,615,864.41 and 278,494.44 is: 417,755.99
Step by Step Solution
- Step 1: Write the proportion equation
1,077,205.98 : 1,615,864.41 = 278,494.44 : x - Step 2: Convert to fraction form
1,077,205.98/1,615,864.41 = 278,494.44/x - Step 3: Cross multiply
1,077,205.98x = 1,615,864.41 × 278,494.44 - Step 4: Simplify right side
1,077,205.98x = 450,009,253,978.88 - Step 5: Solve for x
x = 450,009,253,978.88/1,077,205.98 - Step 6: Final answer
x = 417,755.99
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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.