Finding the Fourth Proportional to 647,462.20, 971,193.30 and 579,227.80
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Solution
The fourth proportional to 647,462.20, 971,193.30 and 579,227.80 is: 868,841.70
Step by Step Solution
- Step 1: Write the proportion equation
647,462.20 : 971,193.30 = 579,227.80 : x - Step 2: Convert to fraction form
647,462.20/971,193.30 = 579,227.80/x - Step 3: Cross multiply
647,462.20x = 971,193.30 × 579,227.80 - Step 4: Simplify right side
647,462.20x = 562,542,158,533.74 - Step 5: Solve for x
x = 562,542,158,533.74/647,462.20 - Step 6: Final answer
x = 868,841.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.