Finding the Fourth Proportional to 542,953.50, 749,295.84 and 328,052.03
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Solution
The fourth proportional to 542,953.50, 749,295.84 and 328,052.03 is: 452,723.89
Step by Step Solution
- Step 1: Write the proportion equation
542,953.50 : 749,295.84 = 328,052.03 : x - Step 2: Convert to fraction form
542,953.50/749,295.84 = 328,052.03/x - Step 3: Cross multiply
542,953.50x = 749,295.84 × 328,052.03 - Step 4: Simplify right side
542,953.50x = 245,808,021,676.13 - Step 5: Solve for x
x = 245,808,021,676.13/542,953.50 - Step 6: Final answer
x = 452,723.89
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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.