Finding the Fourth Proportional to 505,731.84, 697,923.63 and 301,901.07
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Solution
The fourth proportional to 505,731.84, 697,923.63 and 301,901.07 is: 416,631.65
Step by Step Solution
- Step 1: Write the proportion equation
505,731.84 : 697,923.63 = 301,901.07 : x - Step 2: Convert to fraction form
505,731.84/697,923.63 = 301,901.07/x - Step 3: Cross multiply
505,731.84x = 697,923.63 × 301,901.07 - Step 4: Simplify right side
505,731.84x = 210,703,890,675.28 - Step 5: Solve for x
x = 210,703,890,675.28/505,731.84 - Step 6: Final answer
x = 416,631.65
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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.