Finding the Fourth Proportional to 835,378.29, 1,152,823.14 and 453,404.97
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Solution
The fourth proportional to 835,378.29, 1,152,823.14 and 453,404.97 is: 625,699.46
Step by Step Solution
- Step 1: Write the proportion equation
835,378.29 : 1,152,823.14 = 453,404.97 : x - Step 2: Convert to fraction form
835,378.29/1,152,823.14 = 453,404.97/x - Step 3: Cross multiply
835,378.29x = 1,152,823.14 × 453,404.97 - Step 4: Simplify right side
835,378.29x = 522,695,741,207.01 - Step 5: Solve for x
x = 522,695,741,207.01/835,378.29 - Step 6: Final answer
x = 625,699.46
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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.