Finding the Fourth Proportional to 927,161.98, 1,279,681.23 and 545,406.55
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Solution
The fourth proportional to 927,161.98, 1,279,681.23 and 545,406.55 is: 752,777.34
Step by Step Solution
- Step 1: Write the proportion equation
927,161.98 : 1,279,681.23 = 545,406.55 : x - Step 2: Convert to fraction form
927,161.98/1,279,681.23 = 545,406.55/x - Step 3: Cross multiply
927,161.98x = 1,279,681.23 × 545,406.55 - Step 4: Simplify right side
927,161.98x = 697,946,523,600.13 - Step 5: Solve for x
x = 697,946,523,600.13/927,161.98 - Step 6: Final answer
x = 752,777.34
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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.