Finding the Fourth Proportional to 679,260.40, 937,389.06 and 373,365.06
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Solution
The fourth proportional to 679,260.40, 937,389.06 and 373,365.06 is: 515,249.12
Step by Step Solution
- Step 1: Write the proportion equation
679,260.40 : 937,389.06 = 373,365.06 : x - Step 2: Convert to fraction form
679,260.40/937,389.06 = 373,365.06/x - Step 3: Cross multiply
679,260.40x = 937,389.06 × 373,365.06 - Step 4: Simplify right side
679,260.40x = 349,988,322,630.24 - Step 5: Solve for x
x = 349,988,322,630.24/679,260.40 - Step 6: Final answer
x = 515,249.12
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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.