Finding the Fourth Proportional to 894,588.33, 1,234,534.83 and 486,690.09
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Solution
The fourth proportional to 894,588.33, 1,234,534.83 and 486,690.09 is: 671,633.92
Step by Step Solution
- Step 1: Write the proportion equation
894,588.33 : 1,234,534.83 = 486,690.09 : x - Step 2: Convert to fraction form
894,588.33/1,234,534.83 = 486,690.09/x - Step 3: Cross multiply
894,588.33x = 1,234,534.83 × 486,690.09 - Step 4: Simplify right side
894,588.33x = 600,835,867,520.84 - Step 5: Solve for x
x = 600,835,867,520.84/894,588.33 - Step 6: Final answer
x = 671,633.92
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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.