Finding the Fourth Proportional to 950,088.21, 1,311,108.20 and 542,319.23
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Solution
The fourth proportional to 950,088.21, 1,311,108.20 and 542,319.23 is: 748,392.81
Step by Step Solution
- Step 1: Write the proportion equation
950,088.21 : 1,311,108.20 = 542,319.23 : x - Step 2: Convert to fraction form
950,088.21/1,311,108.20 = 542,319.23/x - Step 3: Cross multiply
950,088.21x = 1,311,108.20 × 542,319.23 - Step 4: Simplify right side
950,088.21x = 711,039,189,470.69 - Step 5: Solve for x
x = 711,039,189,470.69/950,088.21 - Step 6: Final answer
x = 748,392.81
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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.