Finding the Fourth Proportional to 679,246.21, 937,369.47 and 373,350.87
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Solution
The fourth proportional to 679,246.21, 937,369.47 and 373,350.87 is: 515,229.53
Step by Step Solution
- Step 1: Write the proportion equation
679,246.21 : 937,369.47 = 373,350.87 : x - Step 2: Convert to fraction form
679,246.21/937,369.47 = 373,350.87/x - Step 3: Cross multiply
679,246.21x = 937,369.47 × 373,350.87 - Step 4: Simplify right side
679,246.21x = 349,967,707,135.94 - Step 5: Solve for x
x = 349,967,707,135.94/679,246.21 - Step 6: Final answer
x = 515,229.53
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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.