Finding the Fourth Proportional to 835,421.19, 1,152,882.41 and 453,448.05
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Solution
The fourth proportional to 835,421.19, 1,152,882.41 and 453,448.05 is: 625,758.94
Step by Step Solution
- Step 1: Write the proportion equation
835,421.19 : 1,152,882.41 = 453,448.05 : x - Step 2: Convert to fraction form
835,421.19/1,152,882.41 = 453,448.05/x - Step 3: Cross multiply
835,421.19x = 1,152,882.41 × 453,448.05 - Step 4: Simplify right side
835,421.19x = 522,772,278,426.56 - Step 5: Solve for x
x = 522,772,278,426.56/835,421.19 - Step 6: Final answer
x = 625,758.94
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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.