Finding the Fourth Proportional to 835,385.10, 1,152,800.58 and 453,403.68
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Solution
The fourth proportional to 835,385.10, 1,152,800.58 and 453,403.68 is: 625,680.33
Step by Step Solution
- Step 1: Write the proportion equation
835,385.10 : 1,152,800.58 = 453,403.68 : x - Step 2: Convert to fraction form
835,385.10/1,152,800.58 = 453,403.68/x - Step 3: Cross multiply
835,385.10x = 1,152,800.58 × 453,403.68 - Step 4: Simplify right side
835,385.10x = 522,684,025,278.13 - Step 5: Solve for x
x = 522,684,025,278.13/835,385.10 - Step 6: Final answer
x = 625,680.33
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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.