Finding the Fourth Proportional to 540,874.19, 746,340.84 and 299,123.84
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Solution
The fourth proportional to 540,874.19, 746,340.84 and 299,123.84 is: 412,754.65
Step by Step Solution
- Step 1: Write the proportion equation
540,874.19 : 746,340.84 = 299,123.84 : x - Step 2: Convert to fraction form
540,874.19/746,340.84 = 299,123.84/x - Step 3: Cross multiply
540,874.19x = 746,340.84 × 299,123.84 - Step 4: Simplify right side
540,874.19x = 223,248,334,277.92 - Step 5: Solve for x
x = 223,248,334,277.92/540,874.19 - Step 6: Final answer
x = 412,754.65
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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.