Finding the Fourth Proportional to 746,903.80, 1,120,355.70 and 248,267.80
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Solution
The fourth proportional to 746,903.80, 1,120,355.70 and 248,267.80 is: 372,401.70
Step by Step Solution
- Step 1: Write the proportion equation
746,903.80 : 1,120,355.70 = 248,267.80 : x - Step 2: Convert to fraction form
746,903.80/1,120,355.70 = 248,267.80/x - Step 3: Cross multiply
746,903.80x = 1,120,355.70 × 248,267.80 - Step 4: Simplify right side
746,903.80x = 278,148,244,856.46 - Step 5: Solve for x
x = 278,148,244,856.46/746,903.80 - Step 6: Final answer
x = 372,401.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.