Finding the Fourth Proportional to 783,496.84, 1,081,226.10 and 425,800.84
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Solution
The fourth proportional to 783,496.84, 1,081,226.10 and 425,800.84 is: 587,605.41
Step by Step Solution
- Step 1: Write the proportion equation
783,496.84 : 1,081,226.10 = 425,800.84 : x - Step 2: Convert to fraction form
783,496.84/1,081,226.10 = 425,800.84/x - Step 3: Cross multiply
783,496.84x = 1,081,226.10 × 425,800.84 - Step 4: Simplify right side
783,496.84x = 460,386,981,609.92 - Step 5: Solve for x
x = 460,386,981,609.92/783,496.84 - Step 6: Final answer
x = 587,605.41
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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.