Finding the Fourth Proportional to 521,528.68, 781,299.96 and 297,044.07
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Solution
The fourth proportional to 521,528.68, 781,299.96 and 297,044.07 is: 445,000.49
Step by Step Solution
- Step 1: Write the proportion equation
521,528.68 : 781,299.96 = 297,044.07 : x - Step 2: Convert to fraction form
521,528.68/781,299.96 = 297,044.07/x - Step 3: Cross multiply
521,528.68x = 781,299.96 × 297,044.07 - Step 4: Simplify right side
521,528.68x = 232,080,520,009.24 - Step 5: Solve for x
x = 232,080,520,009.24/521,528.68 - Step 6: Final answer
x = 445,000.49
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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.