Finding the Fourth Proportional to 691,005.06, 954,175.68 and 433,315.17
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Solution
The fourth proportional to 691,005.06, 954,175.68 and 433,315.17 is: 598,344.09
Step by Step Solution
- Step 1: Write the proportion equation
691,005.06 : 954,175.68 = 433,315.17 : x - Step 2: Convert to fraction form
691,005.06/954,175.68 = 433,315.17/x - Step 3: Cross multiply
691,005.06x = 954,175.68 × 433,315.17 - Step 4: Simplify right side
691,005.06x = 413,458,796,989.07 - Step 5: Solve for x
x = 413,458,796,989.07/691,005.06 - Step 6: Final answer
x = 598,344.09
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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.