Finding the Fourth Proportional to 939,465.24, 1,296,798.24 and 557,491.92
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Solution
The fourth proportional to 939,465.24, 1,296,798.24 and 557,491.92 is: 769,538.36
Step by Step Solution
- Step 1: Write the proportion equation
939,465.24 : 1,296,798.24 = 557,491.92 : x - Step 2: Convert to fraction form
939,465.24/1,296,798.24 = 557,491.92/x - Step 3: Cross multiply
939,465.24x = 1,296,798.24 × 557,491.92 - Step 4: Simplify right side
939,465.24x = 722,954,540,670.22 - Step 5: Solve for x
x = 722,954,540,670.22/939,465.24 - Step 6: Final answer
x = 769,538.36
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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.