Finding the Fourth Proportional to 801,912, 1,201,934.88 and 328,023.12
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Solution
The fourth proportional to 801,912, 1,201,934.88 and 328,023.12 is: 491,652.99
Step by Step Solution
- Step 1: Write the proportion equation
801,912 : 1,201,934.88 = 328,023.12 : x - Step 2: Convert to fraction form
801,912/1,201,934.88 = 328,023.12/x - Step 3: Cross multiply
801,912x = 1,201,934.88 × 328,023.12 - Step 4: Simplify right side
801,912x = 394,262,429,374.43 - Step 5: Solve for x
x = 394,262,429,374.43/801,912 - Step 6: Final answer
x = 491,652.99
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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.