Finding the Fourth Proportional to 684,239.09, 944,226.11 and 374,148.90
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Solution
The fourth proportional to 684,239.09, 944,226.11 and 374,148.90 is: 516,312.45
Step by Step Solution
- Step 1: Write the proportion equation
684,239.09 : 944,226.11 = 374,148.90 : x - Step 2: Convert to fraction form
684,239.09/944,226.11 = 374,148.90/x - Step 3: Cross multiply
684,239.09x = 944,226.11 × 374,148.90 - Step 4: Simplify right side
684,239.09x = 353,281,161,343.15 - Step 5: Solve for x
x = 353,281,161,343.15/684,239.09 - Step 6: Final answer
x = 516,312.45
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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.