Finding the Fourth Proportional to 695,147.81, 959,224.68 and 389,181.65
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Solution
The fourth proportional to 695,147.81, 959,224.68 and 389,181.65 is: 537,026.28
Step by Step Solution
- Step 1: Write the proportion equation
695,147.81 : 959,224.68 = 389,181.65 : x - Step 2: Convert to fraction form
695,147.81/959,224.68 = 389,181.65/x - Step 3: Cross multiply
695,147.81x = 959,224.68 × 389,181.65 - Step 4: Simplify right side
695,147.81x = 373,312,638,887.00 - Step 5: Solve for x
x = 373,312,638,887.00/695,147.81 - Step 6: Final answer
x = 537,026.28
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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.