Finding the Fourth Proportional to 502,541.70, 753,812.55 and 479,213.70
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Solution
The fourth proportional to 502,541.70, 753,812.55 and 479,213.70 is: 718,820.55
Step by Step Solution
- Step 1: Write the proportion equation
502,541.70 : 753,812.55 = 479,213.70 : x - Step 2: Convert to fraction form
502,541.70/753,812.55 = 479,213.70/x - Step 3: Cross multiply
502,541.70x = 753,812.55 × 479,213.70 - Step 4: Simplify right side
502,541.70x = 361,237,301,191.94 - Step 5: Solve for x
x = 361,237,301,191.94/502,541.70 - Step 6: Final answer
x = 718,820.55
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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.