Finding the Fourth Proportional to 611,776.97, 917,758.73 and 312,094.07
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Solution
The fourth proportional to 611,776.97, 917,758.73 and 312,094.07 is: 468,188.69
Step by Step Solution
- Step 1: Write the proportion equation
611,776.97 : 917,758.73 = 312,094.07 : x - Step 2: Convert to fraction form
611,776.97/917,758.73 = 312,094.07/x - Step 3: Cross multiply
611,776.97x = 917,758.73 × 312,094.07 - Step 4: Simplify right side
611,776.97x = 286,427,057,323.73 - Step 5: Solve for x
x = 286,427,057,323.73/611,776.97 - Step 6: Final answer
x = 468,188.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.