Finding the Fourth Proportional to 612,471.40, 845,302.50 and 440,957.08
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Solution
The fourth proportional to 612,471.40, 845,302.50 and 440,957.08 is: 608,586.98
Step by Step Solution
- Step 1: Write the proportion equation
612,471.40 : 845,302.50 = 440,957.08 : x - Step 2: Convert to fraction form
612,471.40/845,302.50 = 440,957.08/x - Step 3: Cross multiply
612,471.40x = 845,302.50 × 440,957.08 - Step 4: Simplify right side
612,471.40x = 372,742,122,116.70 - Step 5: Solve for x
x = 372,742,122,116.70/612,471.40 - Step 6: Final answer
x = 608,586.98
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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.