Finding the Fourth Proportional to 947,261.18, 1,307,205.14 and 517,532.06
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Solution
The fourth proportional to 947,261.18, 1,307,205.14 and 517,532.06 is: 714,185.89
Step by Step Solution
- Step 1: Write the proportion equation
947,261.18 : 1,307,205.14 = 517,532.06 : x - Step 2: Convert to fraction form
947,261.18/1,307,205.14 = 517,532.06/x - Step 3: Cross multiply
947,261.18x = 1,307,205.14 × 517,532.06 - Step 4: Simplify right side
947,261.18x = 676,520,568,946.79 - Step 5: Solve for x
x = 676,520,568,946.79/947,261.18 - Step 6: Final answer
x = 714,185.89
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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.