Finding the Fourth Proportional to 577,265.40, 865,898.10 and 378,199.80
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Solution
The fourth proportional to 577,265.40, 865,898.10 and 378,199.80 is: 567,299.70
Step by Step Solution
- Step 1: Write the proportion equation
577,265.40 : 865,898.10 = 378,199.80 : x - Step 2: Convert to fraction form
577,265.40/865,898.10 = 378,199.80/x - Step 3: Cross multiply
577,265.40x = 865,898.10 × 378,199.80 - Step 4: Simplify right side
577,265.40x = 327,482,488,240.38 - Step 5: Solve for x
x = 327,482,488,240.38/577,265.40 - Step 6: Final answer
x = 567,299.70
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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.