Finding the Fourth Proportional to 947,092.01, 1,306,970.55 and 517,361.09
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Solution
The fourth proportional to 947,092.01, 1,306,970.55 and 517,361.09 is: 713,949.33
Step by Step Solution
- Step 1: Write the proportion equation
947,092.01 : 1,306,970.55 = 517,361.09 : x - Step 2: Convert to fraction form
947,092.01/1,306,970.55 = 517,361.09/x - Step 3: Cross multiply
947,092.01x = 1,306,970.55 × 517,361.09 - Step 4: Simplify right side
947,092.01x = 676,175,701,811.05 - Step 5: Solve for x
x = 676,175,701,811.05/947,092.01 - Step 6: Final answer
x = 713,949.33
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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.