Finding the Fourth Proportional to 684,226.53, 944,215.95 and 378,295.00
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Solution
The fourth proportional to 684,226.53, 944,215.95 and 378,295.00 is: 522,037.89
Step by Step Solution
- Step 1: Write the proportion equation
684,226.53 : 944,215.95 = 378,295.00 : x - Step 2: Convert to fraction form
684,226.53/944,215.95 = 378,295.00/x - Step 3: Cross multiply
684,226.53x = 944,215.95 × 378,295.00 - Step 4: Simplify right side
684,226.53x = 357,192,171,863.32 - Step 5: Solve for x
x = 357,192,171,863.32/684,226.53 - Step 6: Final answer
x = 522,037.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.