Finding the Fourth Proportional to 927,963.72, 1,391,778.69 and 422,407.08
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Solution
The fourth proportional to 927,963.72, 1,391,778.69 and 422,407.08 is: 633,534.65
Step by Step Solution
- Step 1: Write the proportion equation
927,963.72 : 1,391,778.69 = 422,407.08 : x - Step 2: Convert to fraction form
927,963.72/1,391,778.69 = 422,407.08/x - Step 3: Cross multiply
927,963.72x = 1,391,778.69 × 422,407.08 - Step 4: Simplify right side
927,963.72x = 587,897,172,449.13 - Step 5: Solve for x
x = 587,897,172,449.13/927,963.72 - Step 6: Final answer
x = 633,534.65
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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.