Finding the Fourth Proportional to 558,361.11, 770,507.16 and 313,323.09
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Solution
The fourth proportional to 558,361.11, 770,507.16 and 313,323.09 is: 432,368.37
Step by Step Solution
- Step 1: Write the proportion equation
558,361.11 : 770,507.16 = 313,323.09 : x - Step 2: Convert to fraction form
558,361.11/770,507.16 = 313,323.09/x - Step 3: Cross multiply
558,361.11x = 770,507.16 × 313,323.09 - Step 4: Simplify right side
558,361.11x = 241,417,684,238.32 - Step 5: Solve for x
x = 241,417,684,238.32/558,361.11 - Step 6: Final answer
x = 432,368.37
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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.