Finding the Fourth Proportional to 725,348.10, 1,000,669.94 and 452,943.08
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Solution
The fourth proportional to 725,348.10, 1,000,669.94 and 452,943.08 is: 624,867.60
Step by Step Solution
- Step 1: Write the proportion equation
725,348.10 : 1,000,669.94 = 452,943.08 : x - Step 2: Convert to fraction form
725,348.10/1,000,669.94 = 452,943.08/x - Step 3: Cross multiply
725,348.10x = 1,000,669.94 × 452,943.08 - Step 4: Simplify right side
725,348.10x = 453,246,524,687.02 - Step 5: Solve for x
x = 453,246,524,687.02/725,348.10 - Step 6: Final answer
x = 624,867.60
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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.