Finding the Fourth Proportional to 947,235.36, 1,307,203.62 and 517,542.12
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Solution
The fourth proportional to 947,235.36, 1,307,203.62 and 517,542.12 is: 714,218.41
Step by Step Solution
- Step 1: Write the proportion equation
947,235.36 : 1,307,203.62 = 517,542.12 : x - Step 2: Convert to fraction form
947,235.36/1,307,203.62 = 517,542.12/x - Step 3: Cross multiply
947,235.36x = 1,307,203.62 × 517,542.12 - Step 4: Simplify right side
947,235.36x = 676,532,932,766.48 - Step 5: Solve for x
x = 676,532,932,766.48/947,235.36 - Step 6: Final answer
x = 714,218.41
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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.