Finding the Fourth Proportional to 523,277.80, 784,916.70 and 313,325.80
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Solution
The fourth proportional to 523,277.80, 784,916.70 and 313,325.80 is: 469,988.70
Step by Step Solution
- Step 1: Write the proportion equation
523,277.80 : 784,916.70 = 313,325.80 : x - Step 2: Convert to fraction form
523,277.80/784,916.70 = 313,325.80/x - Step 3: Cross multiply
523,277.80x = 784,916.70 × 313,325.80 - Step 4: Simplify right side
523,277.80x = 245,934,652,960.86 - Step 5: Solve for x
x = 245,934,652,960.86/523,277.80 - Step 6: Final answer
x = 469,988.70
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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.