Finding the Fourth Proportional to 542,941.91, 749,295.26 and 313,508.87
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Solution
The fourth proportional to 542,941.91, 749,295.26 and 313,508.87 is: 432,662.70
Step by Step Solution
- Step 1: Write the proportion equation
542,941.91 : 749,295.26 = 313,508.87 : x - Step 2: Convert to fraction form
542,941.91/749,295.26 = 313,508.87/x - Step 3: Cross multiply
542,941.91x = 749,295.26 × 313,508.87 - Step 4: Simplify right side
542,941.91x = 234,910,710,258.96 - Step 5: Solve for x
x = 234,910,710,258.96/542,941.91 - Step 6: Final answer
x = 432,662.70
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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.