Finding the Fourth Proportional to 553,676.70, 830,515.05 and 376,529.70
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Solution
The fourth proportional to 553,676.70, 830,515.05 and 376,529.70 is: 564,794.55
Step by Step Solution
- Step 1: Write the proportion equation
553,676.70 : 830,515.05 = 376,529.70 : x - Step 2: Convert to fraction form
553,676.70/830,515.05 = 376,529.70/x - Step 3: Cross multiply
553,676.70x = 830,515.05 × 376,529.70 - Step 4: Simplify right side
553,676.70x = 312,713,582,621.99 - Step 5: Solve for x
x = 312,713,582,621.99/553,676.70 - Step 6: Final answer
x = 564,794.55
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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.