Finding the Fourth Proportional to 557,125.38, 768,833.01 and 302,476.59
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Solution
The fourth proportional to 557,125.38, 768,833.01 and 302,476.59 is: 417,417.69
Step by Step Solution
- Step 1: Write the proportion equation
557,125.38 : 768,833.01 = 302,476.59 : x - Step 2: Convert to fraction form
557,125.38/768,833.01 = 302,476.59/x - Step 3: Cross multiply
557,125.38x = 768,833.01 × 302,476.59 - Step 4: Simplify right side
557,125.38x = 232,553,987,144.24 - Step 5: Solve for x
x = 232,553,987,144.24/557,125.38 - Step 6: Final answer
x = 417,417.69
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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.