Finding the Fourth Proportional to 460,972.26, 688,385.21 and 437,352.66
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Solution
The fourth proportional to 460,972.26, 688,385.21 and 437,352.66 is: 653,113.27
Step by Step Solution
- Step 1: Write the proportion equation
460,972.26 : 688,385.21 = 437,352.66 : x - Step 2: Convert to fraction form
460,972.26/688,385.21 = 437,352.66/x - Step 3: Cross multiply
460,972.26x = 688,385.21 × 437,352.66 - Step 4: Simplify right side
460,972.26x = 301,067,100,511.40 - Step 5: Solve for x
x = 301,067,100,511.40/460,972.26 - Step 6: Final answer
x = 653,113.27
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.