Finding the Fourth Proportional to 756,440, 1,133,894.24 and 490,369.44
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Solution
The fourth proportional to 756,440, 1,133,894.24 and 490,369.44 is: 735,057.75
Step by Step Solution
- Step 1: Write the proportion equation
756,440 : 1,133,894.24 = 490,369.44 : x - Step 2: Convert to fraction form
756,440/1,133,894.24 = 490,369.44/x - Step 3: Cross multiply
756,440x = 1,133,894.24 × 490,369.44 - Step 4: Simplify right side
756,440x = 556,027,083,488.03 - Step 5: Solve for x
x = 556,027,083,488.03/756,440 - Step 6: Final answer
x = 735,057.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.