Finding the Fourth Proportional to 960,071.48, 1,438,529.30 and 328,640.84
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Solution
The fourth proportional to 960,071.48, 1,438,529.30 and 328,640.84 is: 492,421.12
Step by Step Solution
- Step 1: Write the proportion equation
960,071.48 : 1,438,529.30 = 328,640.84 : x - Step 2: Convert to fraction form
960,071.48/1,438,529.30 = 328,640.84/x - Step 3: Cross multiply
960,071.48x = 1,438,529.30 × 328,640.84 - Step 4: Simplify right side
960,071.48x = 472,759,477,516.61 - Step 5: Solve for x
x = 472,759,477,516.61/960,071.48 - Step 6: Final answer
x = 492,421.12
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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.