Finding the Fourth Proportional to 939,496.71, 1,296,841.68 and 557,523.48
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Solution
The fourth proportional to 939,496.71, 1,296,841.68 and 557,523.48 is: 769,581.92
Step by Step Solution
- Step 1: Write the proportion equation
939,496.71 : 1,296,841.68 = 557,523.48 : x - Step 2: Convert to fraction form
939,496.71/1,296,841.68 = 557,523.48/x - Step 3: Cross multiply
939,496.71x = 1,296,841.68 × 557,523.48 - Step 4: Simplify right side
939,496.71x = 723,019,686,442.65 - Step 5: Solve for x
x = 723,019,686,442.65/939,496.71 - Step 6: Final answer
x = 769,581.92
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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.