Finding the Fourth Proportional to 950,315.28, 1,311,529.05 and 542,478.44
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Solution
The fourth proportional to 950,315.28, 1,311,529.05 and 542,478.44 is: 748,673.88
Step by Step Solution
- Step 1: Write the proportion equation
950,315.28 : 1,311,529.05 = 542,478.44 : x - Step 2: Convert to fraction form
950,315.28/1,311,529.05 = 542,478.44/x - Step 3: Cross multiply
950,315.28x = 1,311,529.05 × 542,478.44 - Step 4: Simplify right side
950,315.28x = 711,476,226,501.04 - Step 5: Solve for x
x = 711,476,226,501.04/950,315.28 - Step 6: Final answer
x = 748,673.88
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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.