Finding the Fourth Proportional to 901,253.82, 1,243,731.84 and 493,355.91
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Solution
The fourth proportional to 901,253.82, 1,243,731.84 and 493,355.91 is: 680,832.02
Step by Step Solution
- Step 1: Write the proportion equation
901,253.82 : 1,243,731.84 = 493,355.91 : x - Step 2: Convert to fraction form
901,253.82/1,243,731.84 = 493,355.91/x - Step 3: Cross multiply
901,253.82x = 1,243,731.84 × 493,355.91 - Step 4: Simplify right side
901,253.82x = 613,602,457,920.65 - Step 5: Solve for x
x = 613,602,457,920.65/901,253.82 - Step 6: Final answer
x = 680,832.02
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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.