Finding the Fourth Proportional to 895,998.99, 1,236,478.07 and 493,590.99
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Solution
The fourth proportional to 895,998.99, 1,236,478.07 and 493,590.99 is: 681,155.27
Step by Step Solution
- Step 1: Write the proportion equation
895,998.99 : 1,236,478.07 = 493,590.99 : x - Step 2: Convert to fraction form
895,998.99/1,236,478.07 = 493,590.99/x - Step 3: Cross multiply
895,998.99x = 1,236,478.07 × 493,590.99 - Step 4: Simplify right side
895,998.99x = 610,314,437,778.91 - Step 5: Solve for x
x = 610,314,437,778.91/895,998.99 - Step 6: Final answer
x = 681,155.27
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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.