Finding the Fourth Proportional to 712,227.96, 982,886.94 and 440,289.09
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Solution
The fourth proportional to 712,227.96, 982,886.94 and 440,289.09 is: 607,606.58
Step by Step Solution
- Step 1: Write the proportion equation
712,227.96 : 982,886.94 = 440,289.09 : x - Step 2: Convert to fraction form
712,227.96/982,886.94 = 440,289.09/x - Step 3: Cross multiply
712,227.96x = 982,886.94 × 440,289.09 - Step 4: Simplify right side
712,227.96x = 432,754,396,385.49 - Step 5: Solve for x
x = 432,754,396,385.49/712,227.96 - Step 6: Final answer
x = 607,606.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.