Finding the Fourth Proportional to 625,505.80, 863,277.95 and 349,878.98
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Solution
The fourth proportional to 625,505.80, 863,277.95 and 349,878.98 is: 482,877.70
Step by Step Solution
- Step 1: Write the proportion equation
625,505.80 : 863,277.95 = 349,878.98 : x - Step 2: Convert to fraction form
625,505.80/863,277.95 = 349,878.98/x - Step 3: Cross multiply
625,505.80x = 863,277.95 × 349,878.98 - Step 4: Simplify right side
625,505.80x = 302,042,802,536.71 - Step 5: Solve for x
x = 302,042,802,536.71/625,505.80 - Step 6: Final answer
x = 482,877.70
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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.