Finding the Fourth Proportional to 927,499.55, 1,279,937.48 and 519,593.99
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Solution
The fourth proportional to 927,499.55, 1,279,937.48 and 519,593.99 is: 717,033.03
Step by Step Solution
- Step 1: Write the proportion equation
927,499.55 : 1,279,937.48 = 519,593.99 : x - Step 2: Convert to fraction form
927,499.55/1,279,937.48 = 519,593.99/x - Step 3: Cross multiply
927,499.55x = 1,279,937.48 × 519,593.99 - Step 4: Simplify right side
927,499.55x = 665,047,813,186.09 - Step 5: Solve for x
x = 665,047,813,186.09/927,499.55 - Step 6: Final answer
x = 717,033.03
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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.