Finding the Fourth Proportional to 927,700.40, 1,389,952.98 and 725,217.75
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Solution
The fourth proportional to 927,700.40, 1,389,952.98 and 725,217.75 is: 1,086,577.70
Step by Step Solution
- Step 1: Write the proportion equation
927,700.40 : 1,389,952.98 = 725,217.75 : x - Step 2: Convert to fraction form
927,700.40/1,389,952.98 = 725,217.75/x - Step 3: Cross multiply
927,700.40x = 1,389,952.98 × 725,217.75 - Step 4: Simplify right side
927,700.40x = 1,008,018,572,761.40 - Step 5: Solve for x
x = 1,008,018,572,761.40/927,700.40 - Step 6: Final answer
x = 1,086,577.70
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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.