Finding the Fourth Proportional to 835,393.12, 1,152,811.62 and 453,411.70
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Solution
The fourth proportional to 835,393.12, 1,152,811.62 and 453,411.70 is: 625,691.38
Step by Step Solution
- Step 1: Write the proportion equation
835,393.12 : 1,152,811.62 = 453,411.70 : x - Step 2: Convert to fraction form
835,393.12/1,152,811.62 = 453,411.70/x - Step 3: Cross multiply
835,393.12x = 1,152,811.62 × 453,411.70 - Step 4: Simplify right side
835,393.12x = 522,698,276,403.95 - Step 5: Solve for x
x = 522,698,276,403.95/835,393.12 - Step 6: Final answer
x = 625,691.38
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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.