Finding the Fourth Proportional to 562,405.68, 776,119.84 and 307,756.96
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Solution
The fourth proportional to 562,405.68, 776,119.84 and 307,756.96 is: 424,704.61
Step by Step Solution
- Step 1: Write the proportion equation
562,405.68 : 776,119.84 = 307,756.96 : x - Step 2: Convert to fraction form
562,405.68/776,119.84 = 307,756.96/x - Step 3: Cross multiply
562,405.68x = 776,119.84 × 307,756.96 - Step 4: Simplify right side
562,405.68x = 238,856,282,554.09 - Step 5: Solve for x
x = 238,856,282,554.09/562,405.68 - Step 6: Final answer
x = 424,704.61
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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.