Finding the Fourth Proportional to 557,291.24, 768,588.18 and 375,974.36
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Solution
The fourth proportional to 557,291.24, 768,588.18 and 375,974.36 is: 518,525.02
Step by Step Solution
- Step 1: Write the proportion equation
557,291.24 : 768,588.18 = 375,974.36 : x - Step 2: Convert to fraction form
557,291.24/768,588.18 = 375,974.36/x - Step 3: Cross multiply
557,291.24x = 768,588.18 × 375,974.36 - Step 4: Simplify right side
557,291.24x = 288,969,449,079.07 - Step 5: Solve for x
x = 288,969,449,079.07/557,291.24 - Step 6: Final answer
x = 518,525.02
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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.