Finding the Fourth Proportional to 487,763.24, 673,048.86 and 272,879.96
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Solution
The fourth proportional to 487,763.24, 673,048.86 and 272,879.96 is: 376,538.31
Step by Step Solution
- Step 1: Write the proportion equation
487,763.24 : 673,048.86 = 272,879.96 : x - Step 2: Convert to fraction form
487,763.24/673,048.86 = 272,879.96/x - Step 3: Cross multiply
487,763.24x = 673,048.86 × 272,879.96 - Step 4: Simplify right side
487,763.24x = 183,661,545,994.85 - Step 5: Solve for x
x = 183,661,545,994.85/487,763.24 - Step 6: Final answer
x = 376,538.31
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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.