Finding the Fourth Proportional to 947,433.40, 1,307,442.24 and 517,703.62
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Solution
The fourth proportional to 947,433.40, 1,307,442.24 and 517,703.62 is: 714,422.33
Step by Step Solution
- Step 1: Write the proportion equation
947,433.40 : 1,307,442.24 = 517,703.62 : x - Step 2: Convert to fraction form
947,433.40/1,307,442.24 = 517,703.62/x - Step 3: Cross multiply
947,433.40x = 1,307,442.24 × 517,703.62 - Step 4: Simplify right side
947,433.40x = 676,867,580,588.91 - Step 5: Solve for x
x = 676,867,580,588.91/947,433.40 - Step 6: Final answer
x = 714,422.33
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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.