Finding the Fourth Proportional to 673,934.20, 930,402.84 and 459,389.44
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Solution
The fourth proportional to 673,934.20, 930,402.84 and 459,389.44 is: 634,212.12
Step by Step Solution
- Step 1: Write the proportion equation
673,934.20 : 930,402.84 = 459,389.44 : x - Step 2: Convert to fraction form
673,934.20/930,402.84 = 459,389.44/x - Step 3: Cross multiply
673,934.20x = 930,402.84 × 459,389.44 - Step 4: Simplify right side
673,934.20x = 427,417,239,642.01 - Step 5: Solve for x
x = 427,417,239,642.01/673,934.20 - Step 6: Final answer
x = 634,212.12
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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.