Finding the Fourth Proportional to 460,809.80, 690,048.30 and 367,497.80
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Solution
The fourth proportional to 460,809.80, 690,048.30 and 367,497.80 is: 550,316.49
Step by Step Solution
- Step 1: Write the proportion equation
460,809.80 : 690,048.30 = 367,497.80 : x - Step 2: Convert to fraction form
460,809.80/690,048.30 = 367,497.80/x - Step 3: Cross multiply
460,809.80x = 690,048.30 × 367,497.80 - Step 4: Simplify right side
460,809.80x = 253,591,232,143.74 - Step 5: Solve for x
x = 253,591,232,143.74/460,809.80 - Step 6: Final answer
x = 550,316.49
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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.