Finding the Fourth Proportional to 697,671.87, 962,774.94 and 391,750.68
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Solution
The fourth proportional to 697,671.87, 962,774.94 and 391,750.68 is: 540,609.07
Step by Step Solution
- Step 1: Write the proportion equation
697,671.87 : 962,774.94 = 391,750.68 : x - Step 2: Convert to fraction form
697,671.87/962,774.94 = 391,750.68/x - Step 3: Cross multiply
697,671.87x = 962,774.94 × 391,750.68 - Step 4: Simplify right side
697,671.87x = 377,167,737,431.96 - Step 5: Solve for x
x = 377,167,737,431.96/697,671.87 - Step 6: Final answer
x = 540,609.07
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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.