Finding the Fourth Proportional to 637,175.54, 955,381.60 and 432,261.84
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Solution
The fourth proportional to 637,175.54, 955,381.60 and 432,261.84 is: 648,133.80
Step by Step Solution
- Step 1: Write the proportion equation
637,175.54 : 955,381.60 = 432,261.84 : x - Step 2: Convert to fraction form
637,175.54/955,381.60 = 432,261.84/x - Step 3: Cross multiply
637,175.54x = 955,381.60 × 432,261.84 - Step 4: Simplify right side
637,175.54x = 412,975,003,541.24 - Step 5: Solve for x
x = 412,975,003,541.24/637,175.54 - Step 6: Final answer
x = 648,133.80
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1.5x scale
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.