Finding the Fourth Proportional to 677,850.24, 935,430.48 and 376,044.24
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Solution
The fourth proportional to 677,850.24, 935,430.48 and 376,044.24 is: 518,939.47
Step by Step Solution
- Step 1: Write the proportion equation
677,850.24 : 935,430.48 = 376,044.24 : x - Step 2: Convert to fraction form
677,850.24/935,430.48 = 376,044.24/x - Step 3: Cross multiply
677,850.24x = 935,430.48 × 376,044.24 - Step 4: Simplify right side
677,850.24x = 351,763,243,924.44 - Step 5: Solve for x
x = 351,763,243,924.44/677,850.24 - Step 6: Final answer
x = 518,939.47
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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.