Finding the Fourth Proportional to 524,530.84, 783,810.23 and 393,847.70
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Solution
The fourth proportional to 524,530.84, 783,810.23 and 393,847.70 is: 588,529.46
Step by Step Solution
- Step 1: Write the proportion equation
524,530.84 : 783,810.23 = 393,847.70 : x - Step 2: Convert to fraction form
524,530.84/783,810.23 = 393,847.70/x - Step 3: Cross multiply
524,530.84x = 783,810.23 × 393,847.70 - Step 4: Simplify right side
524,530.84x = 308,701,854,352.73 - Step 5: Solve for x
x = 308,701,854,352.73/524,530.84 - Step 6: Final answer
x = 588,529.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.