Finding the Fourth Proportional to 835,209.99, 1,152,592.88 and 453,236.67
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Solution
The fourth proportional to 835,209.99, 1,152,592.88 and 453,236.67 is: 625,468.28
Step by Step Solution
- Step 1: Write the proportion equation
835,209.99 : 1,152,592.88 = 453,236.67 : x - Step 2: Convert to fraction form
835,209.99/1,152,592.88 = 453,236.67/x - Step 3: Cross multiply
835,209.99x = 1,152,592.88 × 453,236.67 - Step 4: Simplify right side
835,209.99x = 522,397,356,530.73 - Step 5: Solve for x
x = 522,397,356,530.73/835,209.99 - Step 6: Final answer
x = 625,468.28
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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.