Finding the Fourth Proportional to 695,009.75, 959,106.98 and 393,203.75
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Solution
The fourth proportional to 695,009.75, 959,106.98 and 393,203.75 is: 542,617.51
Step by Step Solution
- Step 1: Write the proportion equation
695,009.75 : 959,106.98 = 393,203.75 : x - Step 2: Convert to fraction form
695,009.75/959,106.98 = 393,203.75/x - Step 3: Cross multiply
695,009.75x = 959,106.98 × 393,203.75 - Step 4: Simplify right side
695,009.75x = 377,124,459,221.16 - Step 5: Solve for x
x = 377,124,459,221.16/695,009.75 - Step 6: Final answer
x = 542,617.51
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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.