Finding the Fourth Proportional to 748,706.84, 1,032,922.44 and 461,728.76
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Solution
The fourth proportional to 748,706.84, 1,032,922.44 and 461,728.76 is: 637,005.00
Step by Step Solution
- Step 1: Write the proportion equation
748,706.84 : 1,032,922.44 = 461,728.76 : x - Step 2: Convert to fraction form
748,706.84/1,032,922.44 = 461,728.76/x - Step 3: Cross multiply
748,706.84x = 1,032,922.44 × 461,728.76 - Step 4: Simplify right side
748,706.84x = 476,929,997,397.37 - Step 5: Solve for x
x = 476,929,997,397.37/748,706.84 - Step 6: Final answer
x = 637,005.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.