Finding the Fourth Proportional to 571,341.29, 788,450.87 and 313,220.07
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Solution
The fourth proportional to 571,341.29, 788,450.87 and 313,220.07 is: 432,243.64
Step by Step Solution
- Step 1: Write the proportion equation
571,341.29 : 788,450.87 = 313,220.07 : x - Step 2: Convert to fraction form
571,341.29/788,450.87 = 313,220.07/x - Step 3: Cross multiply
571,341.29x = 788,450.87 × 313,220.07 - Step 4: Simplify right side
571,341.29x = 246,958,636,692.96 - Step 5: Solve for x
x = 246,958,636,692.96/571,341.29 - Step 6: Final answer
x = 432,243.64
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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.