Finding the Fourth Proportional to 835,440.10, 1,152,709.68 and 472,863.91
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Solution
The fourth proportional to 835,440.10, 1,152,709.68 and 472,863.91 is: 652,440.32
Step by Step Solution
- Step 1: Write the proportion equation
835,440.10 : 1,152,709.68 = 472,863.91 : x - Step 2: Convert to fraction form
835,440.10/1,152,709.68 = 472,863.91/x - Step 3: Cross multiply
835,440.10x = 1,152,709.68 × 472,863.91 - Step 4: Simplify right side
835,440.10x = 545,074,806,379.65 - Step 5: Solve for x
x = 545,074,806,379.65/835,440.10 - Step 6: Final answer
x = 652,440.32
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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.