Finding the Fourth Proportional to 675,564.84, 1,011,633.12 and 405,525.06
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Solution
The fourth proportional to 675,564.84, 1,011,633.12 and 405,525.06 is: 607,258.63
Step by Step Solution
- Step 1: Write the proportion equation
675,564.84 : 1,011,633.12 = 405,525.06 : x - Step 2: Convert to fraction form
675,564.84/1,011,633.12 = 405,525.06/x - Step 3: Cross multiply
675,564.84x = 1,011,633.12 × 405,525.06 - Step 4: Simplify right side
675,564.84x = 410,242,581,685.99 - Step 5: Solve for x
x = 410,242,581,685.99/675,564.84 - Step 6: Final answer
x = 607,258.63
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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.