Finding the Fourth Proportional to 743,891.36, 1,115,773.68 and 294,490
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Solution
The fourth proportional to 743,891.36, 1,115,773.68 and 294,490 is: 441,709.92
Step by Step Solution
- Step 1: Write the proportion equation
743,891.36 : 1,115,773.68 = 294,490 : x - Step 2: Convert to fraction form
743,891.36/1,115,773.68 = 294,490/x - Step 3: Cross multiply
743,891.36x = 1,115,773.68 × 294,490 - Step 4: Simplify right side
743,891.36x = 328,584,191,023.20 - Step 5: Solve for x
x = 328,584,191,023.20/743,891.36 - Step 6: Final answer
x = 441,709.92
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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.