Finding the Fourth Proportional to 731,390.49, 1,009,318.86 and 476,741.68
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Solution
The fourth proportional to 731,390.49, 1,009,318.86 and 476,741.68 is: 657,903.50
Step by Step Solution
- Step 1: Write the proportion equation
731,390.49 : 1,009,318.86 = 476,741.68 : x - Step 2: Convert to fraction form
731,390.49/1,009,318.86 = 476,741.68/x - Step 3: Cross multiply
731,390.49x = 1,009,318.86 × 476,741.68 - Step 4: Simplify right side
731,390.49x = 481,184,366,448.79 - Step 5: Solve for x
x = 481,184,366,448.79/731,390.49 - Step 6: Final answer
x = 657,903.50
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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.