Finding the Fourth Proportional to 920,536.44, 1,381,027.47 and 313,318.63
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Solution
The fourth proportional to 920,536.44, 1,381,027.47 and 313,318.63 is: 470,053.77
Step by Step Solution
- Step 1: Write the proportion equation
920,536.44 : 1,381,027.47 = 313,318.63 : x - Step 2: Convert to fraction form
920,536.44/1,381,027.47 = 313,318.63/x - Step 3: Cross multiply
920,536.44x = 1,381,027.47 × 313,318.63 - Step 4: Simplify right side
920,536.44x = 432,701,626,421.04 - Step 5: Solve for x
x = 432,701,626,421.04/920,536.44 - Step 6: Final answer
x = 470,053.77
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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.