Finding the Fourth Proportional to 534,006.70, 746,209.70 and 534,006.70
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Solution
The fourth proportional to 534,006.70, 746,209.70 and 534,006.70 is: 746,209.70
Step by Step Solution
- Step 1: Write the proportion equation
534,006.70 : 746,209.70 = 534,006.70 : x - Step 2: Convert to fraction form
534,006.70/746,209.70 = 534,006.70/x - Step 3: Cross multiply
534,006.70x = 746,209.70 × 534,006.70 - Step 4: Simplify right side
534,006.70x = 398,480,979,404.99 - Step 5: Solve for x
x = 398,480,979,404.99/534,006.70 - Step 6: Final answer
x = 746,209.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.