Finding the Fourth Proportional to 820,565.64, 1,230,220.62 and 677,962.08
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Solution
The fourth proportional to 820,565.64, 1,230,220.62 and 677,962.08 is: 1,016,424.39
Step by Step Solution
- Step 1: Write the proportion equation
820,565.64 : 1,230,220.62 = 677,962.08 : x - Step 2: Convert to fraction form
820,565.64/1,230,220.62 = 677,962.08/x - Step 3: Cross multiply
820,565.64x = 1,230,220.62 × 677,962.08 - Step 4: Simplify right side
820,565.64x = 834,042,930,394.09 - Step 5: Solve for x
x = 834,042,930,394.09/820,565.64 - Step 6: Final answer
x = 1,016,424.39
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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.