Finding the Fourth Proportional to 673,326.53, 1,009,988.51 and 392,646.95
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Solution
The fourth proportional to 673,326.53, 1,009,988.51 and 392,646.95 is: 588,969.67
Step by Step Solution
- Step 1: Write the proportion equation
673,326.53 : 1,009,988.51 = 392,646.95 : x - Step 2: Convert to fraction form
673,326.53/1,009,988.51 = 392,646.95/x - Step 3: Cross multiply
673,326.53x = 1,009,988.51 × 392,646.95 - Step 4: Simplify right side
673,326.53x = 396,568,906,023.31 - Step 5: Solve for x
x = 396,568,906,023.31/673,326.53 - Step 6: Final answer
x = 588,969.67
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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.