Finding the Fourth Proportional to 960,628, 1,440,489.36 and 561,383.68
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Solution
The fourth proportional to 960,628, 1,440,489.36 and 561,383.68 is: 841,811.00
Step by Step Solution
- Step 1: Write the proportion equation
960,628 : 1,440,489.36 = 561,383.68 : x - Step 2: Convert to fraction form
960,628/1,440,489.36 = 561,383.68/x - Step 3: Cross multiply
960,628x = 1,440,489.36 × 561,383.68 - Step 4: Simplify right side
960,628x = 808,667,217,917.65 - Step 5: Solve for x
x = 808,667,217,917.65/960,628 - Step 6: Final answer
x = 841,811.00
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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.