Finding the Fourth Proportional to 492,652.82, 679,803.12 and 277,780.08
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Solution
The fourth proportional to 492,652.82, 679,803.12 and 277,780.08 is: 383,303.94
Step by Step Solution
- Step 1: Write the proportion equation
492,652.82 : 679,803.12 = 277,780.08 : x - Step 2: Convert to fraction form
492,652.82/679,803.12 = 277,780.08/x - Step 3: Cross multiply
492,652.82x = 679,803.12 × 277,780.08 - Step 4: Simplify right side
492,652.82x = 188,835,765,057.85 - Step 5: Solve for x
x = 188,835,765,057.85/492,652.82 - Step 6: Final answer
x = 383,303.94
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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.