Finding the Fourth Proportional to 684,271.75, 944,278.26 and 378,340.07
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Solution
The fourth proportional to 684,271.75, 944,278.26 and 378,340.07 is: 522,100.02
Step by Step Solution
- Step 1: Write the proportion equation
684,271.75 : 944,278.26 = 378,340.07 : x - Step 2: Convert to fraction form
684,271.75/944,278.26 = 378,340.07/x - Step 3: Cross multiply
684,271.75x = 944,278.26 × 378,340.07 - Step 4: Simplify right side
684,271.75x = 357,258,296,847.71 - Step 5: Solve for x
x = 357,258,296,847.71/684,271.75 - Step 6: Final answer
x = 522,100.02
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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.