Finding the Fourth Proportional to 557,317.26, 769,097.97 and 302,668.38
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Solution
The fourth proportional to 557,317.26, 769,097.97 and 302,668.38 is: 417,682.45
Step by Step Solution
- Step 1: Write the proportion equation
557,317.26 : 769,097.97 = 302,668.38 : x - Step 2: Convert to fraction form
557,317.26/769,097.97 = 302,668.38/x - Step 3: Cross multiply
557,317.26x = 769,097.97 × 302,668.38 - Step 4: Simplify right side
557,317.26x = 232,781,636,641.19 - Step 5: Solve for x
x = 232,781,636,641.19/557,317.26 - Step 6: Final answer
x = 417,682.45
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1.5x scale
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.