Finding the Fourth Proportional to 886,966.80, 1,330,450.20 and 381,769.80
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Solution
The fourth proportional to 886,966.80, 1,330,450.20 and 381,769.80 is: 572,654.70
Step by Step Solution
- Step 1: Write the proportion equation
886,966.80 : 1,330,450.20 = 381,769.80 : x - Step 2: Convert to fraction form
886,966.80/1,330,450.20 = 381,769.80/x - Step 3: Cross multiply
886,966.80x = 1,330,450.20 × 381,769.80 - Step 4: Simplify right side
886,966.80x = 507,925,706,763.96 - Step 5: Solve for x
x = 507,925,706,763.96/886,966.80 - Step 6: Final answer
x = 572,654.70
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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.