Finding the Fourth Proportional to 641,374.71, 962,341.11 and 402,037.08
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Solution
The fourth proportional to 641,374.71, 962,341.11 and 402,037.08 is: 603,230.54
Step by Step Solution
- Step 1: Write the proportion equation
641,374.71 : 962,341.11 = 402,037.08 : x - Step 2: Convert to fraction form
641,374.71/962,341.11 = 402,037.08/x - Step 3: Cross multiply
641,374.71x = 962,341.11 × 402,037.08 - Step 4: Simplify right side
641,374.71x = 386,896,809,828.36 - Step 5: Solve for x
x = 386,896,809,828.36/641,374.71 - Step 6: Final answer
x = 603,230.54
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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.