Finding the Fourth Proportional to 971,193.30, 1,456,789.95 and 868,841.70
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Solution
The fourth proportional to 971,193.30, 1,456,789.95 and 868,841.70 is: 1,303,262.55
Step by Step Solution
- Step 1: Write the proportion equation
971,193.30 : 1,456,789.95 = 868,841.70 : x - Step 2: Convert to fraction form
971,193.30/1,456,789.95 = 868,841.70/x - Step 3: Cross multiply
971,193.30x = 1,456,789.95 × 868,841.70 - Step 4: Simplify right side
971,193.30x = 1,265,719,856,700.91 - Step 5: Solve for x
x = 1,265,719,856,700.91/971,193.30 - Step 6: Final answer
x = 1,303,262.55
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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.