Finding the Fourth Proportional to 775,625.24, 1,070,003.58 and 453,348.92
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Solution
The fourth proportional to 775,625.24, 1,070,003.58 and 453,348.92 is: 625,411.53
Step by Step Solution
- Step 1: Write the proportion equation
775,625.24 : 1,070,003.58 = 453,348.92 : x - Step 2: Convert to fraction form
775,625.24/1,070,003.58 = 453,348.92/x - Step 3: Cross multiply
775,625.24x = 1,070,003.58 × 453,348.92 - Step 4: Simplify right side
775,625.24x = 485,084,967,389.13 - Step 5: Solve for x
x = 485,084,967,389.13/775,625.24 - Step 6: Final answer
x = 625,411.53
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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.