Finding the Fourth Proportional to 761,900.91, 1,051,435.11 and 417,768.26
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Solution
The fourth proportional to 761,900.91, 1,051,435.11 and 417,768.26 is: 576,526.69
Step by Step Solution
- Step 1: Write the proportion equation
761,900.91 : 1,051,435.11 = 417,768.26 : x - Step 2: Convert to fraction form
761,900.91/1,051,435.11 = 417,768.26/x - Step 3: Cross multiply
761,900.91x = 1,051,435.11 × 417,768.26 - Step 4: Simplify right side
761,900.91x = 439,256,212,149.31 - Step 5: Solve for x
x = 439,256,212,149.31/761,900.91 - Step 6: Final answer
x = 576,526.69
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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.