Finding the Fourth Proportional to 513,596.46, 768,895.65 and 299,708.94
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Solution
The fourth proportional to 513,596.46, 768,895.65 and 299,708.94 is: 448,688.65
Step by Step Solution
- Step 1: Write the proportion equation
513,596.46 : 768,895.65 = 299,708.94 : x - Step 2: Convert to fraction form
513,596.46/768,895.65 = 299,708.94/x - Step 3: Cross multiply
513,596.46x = 768,895.65 × 299,708.94 - Step 4: Simplify right side
513,596.46x = 230,444,900,232.11 - Step 5: Solve for x
x = 230,444,900,232.11/513,596.46 - Step 6: Final answer
x = 448,688.65
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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.