Finding the Fourth Proportional to 499,048.74, 749,077.74 and 442,484.82
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Solution
The fourth proportional to 499,048.74, 749,077.74 and 442,484.82 is: 664,174.66
Step by Step Solution
- Step 1: Write the proportion equation
499,048.74 : 749,077.74 = 442,484.82 : x - Step 2: Convert to fraction form
499,048.74/749,077.74 = 442,484.82/x - Step 3: Cross multiply
499,048.74x = 749,077.74 × 442,484.82 - Step 4: Simplify right side
499,048.74x = 331,455,528,949.91 - Step 5: Solve for x
x = 331,455,528,949.91/499,048.74 - Step 6: Final answer
x = 664,174.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.