Finding the Fourth Proportional to 748,555.92, 1,122,838.74 and 299,314.53
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Solution
The fourth proportional to 748,555.92, 1,122,838.74 and 299,314.53 is: 448,973.74
Step by Step Solution
- Step 1: Write the proportion equation
748,555.92 : 1,122,838.74 = 299,314.53 : x - Step 2: Convert to fraction form
748,555.92/1,122,838.74 = 299,314.53/x - Step 3: Cross multiply
748,555.92x = 1,122,838.74 × 299,314.53 - Step 4: Simplify right side
748,555.92x = 336,081,949,728.89 - Step 5: Solve for x
x = 336,081,949,728.89/748,555.92 - Step 6: Final answer
x = 448,973.74
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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.