Finding the Fourth Proportional to 886,795.12, 1,330,389.36 and 255,659.68
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Solution
The fourth proportional to 886,795.12, 1,330,389.36 and 255,659.68 is: 383,546.22
Step by Step Solution
- Step 1: Write the proportion equation
886,795.12 : 1,330,389.36 = 255,659.68 : x - Step 2: Convert to fraction form
886,795.12/1,330,389.36 = 255,659.68/x - Step 3: Cross multiply
886,795.12x = 1,330,389.36 × 255,659.68 - Step 4: Simplify right side
886,795.12x = 340,126,918,053.01 - Step 5: Solve for x
x = 340,126,918,053.01/886,795.12 - Step 6: Final answer
x = 383,546.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.