Finding the Fourth Proportional to 575,691.66, 794,455.27 and 317,562.80
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Solution
The fourth proportional to 575,691.66, 794,455.27 and 317,562.80 is: 438,237.09
Step by Step Solution
- Step 1: Write the proportion equation
575,691.66 : 794,455.27 = 317,562.80 : x - Step 2: Convert to fraction form
575,691.66/794,455.27 = 317,562.80/x - Step 3: Cross multiply
575,691.66x = 794,455.27 × 317,562.80 - Step 4: Simplify right side
575,691.66x = 252,289,435,249.77 - Step 5: Solve for x
x = 252,289,435,249.77/575,691.66 - Step 6: Final answer
x = 438,237.09
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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.