Finding the Fourth Proportional to 783,493.84, 1,081,221.96 and 425,797.84
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Solution
The fourth proportional to 783,493.84, 1,081,221.96 and 425,797.84 is: 587,601.27
Step by Step Solution
- Step 1: Write the proportion equation
783,493.84 : 1,081,221.96 = 425,797.84 : x - Step 2: Convert to fraction form
783,493.84/1,081,221.96 = 425,797.84/x - Step 3: Cross multiply
783,493.84x = 1,081,221.96 × 425,797.84 - Step 4: Simplify right side
783,493.84x = 460,381,975,128.57 - Step 5: Solve for x
x = 460,381,975,128.57/783,493.84 - Step 6: Final answer
x = 587,601.27
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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.