Finding the Fourth Proportional to 636,764.14, 878,699.91 and 350,237.98
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Solution
The fourth proportional to 636,764.14, 878,699.91 and 350,237.98 is: 483,309.38
Step by Step Solution
- Step 1: Write the proportion equation
636,764.14 : 878,699.91 = 350,237.98 : x - Step 2: Convert to fraction form
636,764.14/878,699.91 = 350,237.98/x - Step 3: Cross multiply
636,764.14x = 878,699.91 × 350,237.98 - Step 4: Simplify right side
636,764.14x = 307,754,081,504.58 - Step 5: Solve for x
x = 307,754,081,504.58/636,764.14 - Step 6: Final answer
x = 483,309.38
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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.