Finding the Fourth Proportional to 782,071.68, 1,079,781.36 and 527,329.92
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Solution
The fourth proportional to 782,071.68, 1,079,781.36 and 527,329.92 is: 728,067.56
Step by Step Solution
- Step 1: Write the proportion equation
782,071.68 : 1,079,781.36 = 527,329.92 : x - Step 2: Convert to fraction form
782,071.68/1,079,781.36 = 527,329.92/x - Step 3: Cross multiply
782,071.68x = 1,079,781.36 × 527,329.92 - Step 4: Simplify right side
782,071.68x = 569,401,018,186.29 - Step 5: Solve for x
x = 569,401,018,186.29/782,071.68 - Step 6: Final answer
x = 728,067.56
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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.