Finding the Fourth Proportional to 783,416.84, 1,175,153.11 and 250,868.67
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Solution
The fourth proportional to 783,416.84, 1,175,153.11 and 250,868.67 is: 376,311.92
Step by Step Solution
- Step 1: Write the proportion equation
783,416.84 : 1,175,153.11 = 250,868.67 : x - Step 2: Convert to fraction form
783,416.84/1,175,153.11 = 250,868.67/x - Step 3: Cross multiply
783,416.84x = 1,175,153.11 × 250,868.67 - Step 4: Simplify right side
783,416.84x = 294,809,097,752.06 - Step 5: Solve for x
x = 294,809,097,752.06/783,416.84 - Step 6: Final answer
x = 376,311.92
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1.5x scale
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.