Finding the Fourth Proportional to 935,199.50, 1,402,363.26 and 485,799.75
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Solution
The fourth proportional to 935,199.50, 1,402,363.26 and 485,799.75 is: 728,473.15
Step by Step Solution
- Step 1: Write the proportion equation
935,199.50 : 1,402,363.26 = 485,799.75 : x - Step 2: Convert to fraction form
935,199.50/1,402,363.26 = 485,799.75/x - Step 3: Cross multiply
935,199.50x = 1,402,363.26 × 485,799.75 - Step 4: Simplify right side
935,199.50x = 681,267,721,117.19 - Step 5: Solve for x
x = 681,267,721,117.19/935,199.50 - Step 6: Final answer
x = 728,473.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.